Finding the Fourth Proportional to 625,239.60, 862,828.92 and 338,759.88
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Solution
The fourth proportional to 625,239.60, 862,828.92 and 338,759.88 is: 467,487.70
Step by Step Solution
- Step 1: Write the proportion equation
625,239.60 : 862,828.92 = 338,759.88 : x - Step 2: Convert to fraction form
625,239.60/862,828.92 = 338,759.88/x - Step 3: Cross multiply
625,239.60x = 862,828.92 × 338,759.88 - Step 4: Simplify right side
625,239.60x = 292,291,821,399.73 - Step 5: Solve for x
x = 292,291,821,399.73/625,239.60 - Step 6: Final answer
x = 467,487.70
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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.