Finding the Fourth Proportional to 719,285.04, 992,542.68 and 396,974.32
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Solution
The fourth proportional to 719,285.04, 992,542.68 and 396,974.32 is: 547,785.55
Step by Step Solution
- Step 1: Write the proportion equation
719,285.04 : 992,542.68 = 396,974.32 : x - Step 2: Convert to fraction form
719,285.04/992,542.68 = 396,974.32/x - Step 3: Cross multiply
719,285.04x = 992,542.68 × 396,974.32 - Step 4: Simplify right side
719,285.04x = 394,013,952,982.62 - Step 5: Solve for x
x = 394,013,952,982.62/719,285.04 - Step 6: Final answer
x = 547,785.55
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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.