Finding the Fourth Proportional to 992,648.87, 1,488,371.98 and 445,440.93
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Solution
The fourth proportional to 992,648.87, 1,488,371.98 and 445,440.93 is: 667,891.56
Step by Step Solution
- Step 1: Write the proportion equation
992,648.87 : 1,488,371.98 = 445,440.93 : x - Step 2: Convert to fraction form
992,648.87/1,488,371.98 = 445,440.93/x - Step 3: Cross multiply
992,648.87x = 1,488,371.98 × 445,440.93 - Step 4: Simplify right side
992,648.87x = 662,981,798,957.14 - Step 5: Solve for x
x = 662,981,798,957.14/992,648.87 - Step 6: Final answer
x = 667,891.56
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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.