Finding the Fourth Proportional to 726,148.99, 1,088,227.04 and 459,432.05
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Solution
The fourth proportional to 726,148.99, 1,088,227.04 and 459,432.05 is: 688,517.62
Step by Step Solution
- Step 1: Write the proportion equation
726,148.99 : 1,088,227.04 = 459,432.05 : x - Step 2: Convert to fraction form
726,148.99/1,088,227.04 = 459,432.05/x - Step 3: Cross multiply
726,148.99x = 1,088,227.04 × 459,432.05 - Step 4: Simplify right side
726,148.99x = 499,966,372,114.34 - Step 5: Solve for x
x = 499,966,372,114.34/726,148.99 - Step 6: Final answer
x = 688,517.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.