Finding the Fourth Proportional to 929,948.97, 1,283,258.73 and 521,971.99
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Solution
The fourth proportional to 929,948.97, 1,283,258.73 and 521,971.99 is: 720,281.58
Step by Step Solution
- Step 1: Write the proportion equation
929,948.97 : 1,283,258.73 = 521,971.99 : x - Step 2: Convert to fraction form
929,948.97/1,283,258.73 = 521,971.99/x - Step 3: Cross multiply
929,948.97x = 1,283,258.73 × 521,971.99 - Step 4: Simplify right side
929,948.97x = 669,825,119,100.12 - Step 5: Solve for x
x = 669,825,119,100.12/929,948.97 - Step 6: Final answer
x = 720,281.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.