Finding the Fourth Proportional to 853,226.87, 1,177,446.08 and 466,042.54
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Solution
The fourth proportional to 853,226.87, 1,177,446.08 and 466,042.54 is: 643,134.88
Step by Step Solution
- Step 1: Write the proportion equation
853,226.87 : 1,177,446.08 = 466,042.54 : x - Step 2: Convert to fraction form
853,226.87/1,177,446.08 = 466,042.54/x - Step 3: Cross multiply
853,226.87x = 1,177,446.08 × 466,042.54 - Step 4: Simplify right side
853,226.87x = 548,739,957,643.13 - Step 5: Solve for x
x = 548,739,957,643.13/853,226.87 - Step 6: Final answer
x = 643,134.88
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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.