Finding the Fourth Proportional to 1,107,034.80, 1,660,843.80 and 396,988.80
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Solution
The fourth proportional to 1,107,034.80, 1,660,843.80 and 396,988.80 is: 595,587.77
Step by Step Solution
- Step 1: Write the proportion equation
1,107,034.80 : 1,660,843.80 = 396,988.80 : x - Step 2: Convert to fraction form
1,107,034.80/1,660,843.80 = 396,988.80/x - Step 3: Cross multiply
1,107,034.80x = 1,660,843.80 × 396,988.80 - Step 4: Simplify right side
1,107,034.80x = 659,336,387,149.44 - Step 5: Solve for x
x = 659,336,387,149.44/1,107,034.80 - Step 6: Final answer
x = 595,587.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.