Finding the Fourth Proportional to 730,582.97, 1,008,201.17 and 408,292.88
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Solution
The fourth proportional to 730,582.97, 1,008,201.17 and 408,292.88 is: 563,442.31
Step by Step Solution
- Step 1: Write the proportion equation
730,582.97 : 1,008,201.17 = 408,292.88 : x - Step 2: Convert to fraction form
730,582.97/1,008,201.17 = 408,292.88/x - Step 3: Cross multiply
730,582.97x = 1,008,201.17 × 408,292.88 - Step 4: Simplify right side
730,582.97x = 411,641,352,236.20 - Step 5: Solve for x
x = 411,641,352,236.20/730,582.97 - Step 6: Final answer
x = 563,442.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.