Finding the Fourth Proportional to 980,939.62, 1,471,977.24 and 412,275.88
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Solution
The fourth proportional to 980,939.62, 1,471,977.24 and 412,275.88 is: 618,652.46
Step by Step Solution
- Step 1: Write the proportion equation
980,939.62 : 1,471,977.24 = 412,275.88 : x - Step 2: Convert to fraction form
980,939.62/1,471,977.24 = 412,275.88/x - Step 3: Cross multiply
980,939.62x = 1,471,977.24 × 412,275.88 - Step 4: Simplify right side
980,939.62x = 606,860,711,960.97 - Step 5: Solve for x
x = 606,860,711,960.97/980,939.62 - Step 6: Final answer
x = 618,652.46
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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.