Finding the Fourth Proportional to 762,621.48, 1,052,381.97 and 418,449.65
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Solution
The fourth proportional to 762,621.48, 1,052,381.97 and 418,449.65 is: 577,440.94
Step by Step Solution
- Step 1: Write the proportion equation
762,621.48 : 1,052,381.97 = 418,449.65 : x - Step 2: Convert to fraction form
762,621.48/1,052,381.97 = 418,449.65/x - Step 3: Cross multiply
762,621.48x = 1,052,381.97 × 418,449.65 - Step 4: Simplify right side
762,621.48x = 440,368,861,750.90 - Step 5: Solve for x
x = 440,368,861,750.90/762,621.48 - Step 6: Final answer
x = 577,440.94
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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.