Finding the Fourth Proportional to 625,203.96, 862,782.30 and 338,724.06
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Solution
The fourth proportional to 625,203.96, 862,782.30 and 338,724.06 is: 467,439.66
Step by Step Solution
- Step 1: Write the proportion equation
625,203.96 : 862,782.30 = 338,724.06 : x - Step 2: Convert to fraction form
625,203.96/862,782.30 = 338,724.06/x - Step 3: Cross multiply
625,203.96x = 862,782.30 × 338,724.06 - Step 4: Simplify right side
625,203.96x = 292,245,123,552.14 - Step 5: Solve for x
x = 292,245,123,552.14/625,203.96 - Step 6: Final answer
x = 467,439.66
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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.