Finding the Fourth Proportional to 873,454.08, 1,310,166.50 and 393,414.87
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Solution
The fourth proportional to 873,454.08, 1,310,166.50 and 393,414.87 is: 590,115.72
Step by Step Solution
- Step 1: Write the proportion equation
873,454.08 : 1,310,166.50 = 393,414.87 : x - Step 2: Convert to fraction form
873,454.08/1,310,166.50 = 393,414.87/x - Step 3: Cross multiply
873,454.08x = 1,310,166.50 × 393,414.87 - Step 4: Simplify right side
873,454.08x = 515,438,981,308.78 - Step 5: Solve for x
x = 515,438,981,308.78/873,454.08 - Step 6: Final answer
x = 590,115.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.