Finding the Fourth Proportional to 667,586.26, 1,001,143.56 and 288,491.68
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Solution
The fourth proportional to 667,586.26, 1,001,143.56 and 288,491.68 is: 432,635.61
Step by Step Solution
- Step 1: Write the proportion equation
667,586.26 : 1,001,143.56 = 288,491.68 : x - Step 2: Convert to fraction form
667,586.26/1,001,143.56 = 288,491.68/x - Step 3: Cross multiply
667,586.26x = 1,001,143.56 × 288,491.68 - Step 4: Simplify right side
667,586.26x = 288,821,587,545.58 - Step 5: Solve for x
x = 288,821,587,545.58/667,586.26 - Step 6: Final answer
x = 432,635.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.