Finding the Fourth Proportional to 750,463.92, 1,035,640.88 and 406,300.08
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Solution
The fourth proportional to 750,463.92, 1,035,640.88 and 406,300.08 is: 560,694.47
Step by Step Solution
- Step 1: Write the proportion equation
750,463.92 : 1,035,640.88 = 406,300.08 : x - Step 2: Convert to fraction form
750,463.92/1,035,640.88 = 406,300.08/x - Step 3: Cross multiply
750,463.92x = 1,035,640.88 × 406,300.08 - Step 4: Simplify right side
750,463.92x = 420,780,970,363.77 - Step 5: Solve for x
x = 420,780,970,363.77/750,463.92 - Step 6: Final answer
x = 560,694.47
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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.