Finding the Fourth Proportional to 951,517.62, 1,313,112.36 and 521,772.12
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Solution
The fourth proportional to 951,517.62, 1,313,112.36 and 521,772.12 is: 720,055.42
Step by Step Solution
- Step 1: Write the proportion equation
951,517.62 : 1,313,112.36 = 521,772.12 : x - Step 2: Convert to fraction form
951,517.62/1,313,112.36 = 521,772.12/x - Step 3: Cross multiply
951,517.62x = 1,313,112.36 × 521,772.12 - Step 4: Simplify right side
951,517.62x = 685,145,419,875.40 - Step 5: Solve for x
x = 685,145,419,875.40/951,517.62 - Step 6: Final answer
x = 720,055.42
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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.