Finding the Fourth Proportional to 526,720.47, 726,869.07 and 284,997.75
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Solution
The fourth proportional to 526,720.47, 726,869.07 and 284,997.75 is: 393,294.09
Step by Step Solution
- Step 1: Write the proportion equation
526,720.47 : 726,869.07 = 284,997.75 : x - Step 2: Convert to fraction form
526,720.47/726,869.07 = 284,997.75/x - Step 3: Cross multiply
526,720.47x = 726,869.07 × 284,997.75 - Step 4: Simplify right side
526,720.47x = 207,156,049,494.59 - Step 5: Solve for x
x = 207,156,049,494.59/526,720.47 - Step 6: Final answer
x = 393,294.09
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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.