Finding the Fourth Proportional to 792,078.26, 1,188,217.01 and 387,284.00
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Solution
The fourth proportional to 792,078.26, 1,188,217.01 and 387,284.00 is: 580,974.71
Step by Step Solution
- Step 1: Write the proportion equation
792,078.26 : 1,188,217.01 = 387,284.00 : x - Step 2: Convert to fraction form
792,078.26/1,188,217.01 = 387,284.00/x - Step 3: Cross multiply
792,078.26x = 1,188,217.01 × 387,284.00 - Step 4: Simplify right side
792,078.26x = 460,177,431,527.97 - Step 5: Solve for x
x = 460,177,431,527.97/792,078.26 - Step 6: Final answer
x = 580,974.71
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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.