Finding the Fourth Proportional to 951,717.18, 1,313,371.60 and 522,000.84
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Solution
The fourth proportional to 951,717.18, 1,313,371.60 and 522,000.84 is: 720,362.20
Step by Step Solution
- Step 1: Write the proportion equation
951,717.18 : 1,313,371.60 = 522,000.84 : x - Step 2: Convert to fraction form
951,717.18/1,313,371.60 = 522,000.84/x - Step 3: Cross multiply
951,717.18x = 1,313,371.60 × 522,000.84 - Step 4: Simplify right side
951,717.18x = 685,581,078,432.14 - Step 5: Solve for x
x = 685,581,078,432.14/951,717.18 - Step 6: Final answer
x = 720,362.20
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1.5x scale
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.