Finding the Fourth Proportional to 424,299.26, 632,451.87 and 390,248.62
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Solution
The fourth proportional to 424,299.26, 632,451.87 and 390,248.62 is: 581,696.68
Step by Step Solution
- Step 1: Write the proportion equation
424,299.26 : 632,451.87 = 390,248.62 : x - Step 2: Convert to fraction form
424,299.26/632,451.87 = 390,248.62/x - Step 3: Cross multiply
424,299.26x = 632,451.87 × 390,248.62 - Step 4: Simplify right side
424,299.26x = 246,813,469,483.92 - Step 5: Solve for x
x = 246,813,469,483.92/424,299.26 - Step 6: Final answer
x = 581,696.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.