Finding the Fourth Proportional to 660,925.73, 911,996.87 and 370,470.26
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Solution
The fourth proportional to 660,925.73, 911,996.87 and 370,470.26 is: 511,203.75
Step by Step Solution
- Step 1: Write the proportion equation
660,925.73 : 911,996.87 = 370,470.26 : x - Step 2: Convert to fraction form
660,925.73/911,996.87 = 370,470.26/x - Step 3: Cross multiply
660,925.73x = 911,996.87 × 370,470.26 - Step 4: Simplify right side
660,925.73x = 337,867,711,135.75 - Step 5: Solve for x
x = 337,867,711,135.75/660,925.73 - Step 6: Final answer
x = 511,203.75
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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.