Finding the Fourth Proportional to 781,877.26, 1,170,905.98 and 481,945.24
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Solution
The fourth proportional to 781,877.26, 1,170,905.98 and 481,945.24 is: 721,740.61
Step by Step Solution
- Step 1: Write the proportion equation
781,877.26 : 1,170,905.98 = 481,945.24 : x - Step 2: Convert to fraction form
781,877.26/1,170,905.98 = 481,945.24/x - Step 3: Cross multiply
781,877.26x = 1,170,905.98 × 481,945.24 - Step 4: Simplify right side
781,877.26x = 564,312,564,710.95 - Step 5: Solve for x
x = 564,312,564,710.95/781,877.26 - Step 6: Final answer
x = 721,740.61
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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.