Finding the Fourth Proportional to 729,332.80, 1,093,432.70 and 472,623.08
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Solution
The fourth proportional to 729,332.80, 1,093,432.70 and 472,623.08 is: 708,567.52
Step by Step Solution
- Step 1: Write the proportion equation
729,332.80 : 1,093,432.70 = 472,623.08 : x - Step 2: Convert to fraction form
729,332.80/1,093,432.70 = 472,623.08/x - Step 3: Cross multiply
729,332.80x = 1,093,432.70 × 472,623.08 - Step 4: Simplify right side
729,332.80x = 516,781,530,446.72 - Step 5: Solve for x
x = 516,781,530,446.72/729,332.80 - Step 6: Final answer
x = 708,567.52
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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.