One-half of a number is one-fourth. How do you find the number?
Rather than just do the calculation I have given a lot of guidance as to how to go about the process.
Breaking the question down into its component parts:
One-half a number :
Let the unknown value be represented by
This is the same as
For multiply or divide change the value into 1 to get rid of it. It then turns up on the other side of the =