Finding the Fourth Proportional to 788,320.62, 1,087,882.17 and 425,744.55
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Solution
The fourth proportional to 788,320.62, 1,087,882.17 and 425,744.55 is: 587,527.32
Step by Step Solution
- Step 1: Write the proportion equation
788,320.62 : 1,087,882.17 = 425,744.55 : x - Step 2: Convert to fraction form
788,320.62/1,087,882.17 = 425,744.55/x - Step 3: Cross multiply
788,320.62x = 1,087,882.17 × 425,744.55 - Step 4: Simplify right side
788,320.62x = 463,159,904,919.67 - Step 5: Solve for x
x = 463,159,904,919.67/788,320.62 - Step 6: Final answer
x = 587,527.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.