Finding the Fourth Proportional to 750,508.79, 1,035,700.56 and 406,343.03
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Solution
The fourth proportional to 750,508.79, 1,035,700.56 and 406,343.03 is: 560,752.53
Step by Step Solution
- Step 1: Write the proportion equation
750,508.79 : 1,035,700.56 = 406,343.03 : x - Step 2: Convert to fraction form
750,508.79/1,035,700.56 = 406,343.03/x - Step 3: Cross multiply
750,508.79x = 1,035,700.56 × 406,343.03 - Step 4: Simplify right side
750,508.79x = 420,849,703,723.10 - Step 5: Solve for x
x = 420,849,703,723.10/750,508.79 - Step 6: Final answer
x = 560,752.53
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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.