Finding the Fourth Proportional to 730,936.68, 1,008,785.24 and 408,665.82
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Solution
The fourth proportional to 730,936.68, 1,008,785.24 and 408,665.82 is: 564,010.61
Step by Step Solution
- Step 1: Write the proportion equation
730,936.68 : 1,008,785.24 = 408,665.82 : x - Step 2: Convert to fraction form
730,936.68/1,008,785.24 = 408,665.82/x - Step 3: Cross multiply
730,936.68x = 1,008,785.24 × 408,665.82 - Step 4: Simplify right side
730,936.68x = 412,256,045,265.17 - Step 5: Solve for x
x = 412,256,045,265.17/730,936.68 - Step 6: Final answer
x = 564,010.61
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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.