Finding the Fourth Proportional to 762,689.27, 1,052,508.33 and 418,530.99
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Solution
The fourth proportional to 762,689.27, 1,052,508.33 and 418,530.99 is: 577,571.20
Step by Step Solution
- Step 1: Write the proportion equation
762,689.27 : 1,052,508.33 = 418,530.99 : x - Step 2: Convert to fraction form
762,689.27/1,052,508.33 = 418,530.99/x - Step 3: Cross multiply
762,689.27x = 1,052,508.33 × 418,530.99 - Step 4: Simplify right side
762,689.27x = 440,507,356,545.00 - Step 5: Solve for x
x = 440,507,356,545.00/762,689.27 - Step 6: Final answer
x = 577,571.20
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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.