Finding the Fourth Proportional to 625,204.53, 862,783.11 and 338,724.62
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Solution
The fourth proportional to 625,204.53, 862,783.11 and 338,724.62 is: 467,440.43
Step by Step Solution
- Step 1: Write the proportion equation
625,204.53 : 862,783.11 = 338,724.62 : x - Step 2: Convert to fraction form
625,204.53/862,783.11 = 338,724.62/x - Step 3: Cross multiply
625,204.53x = 862,783.11 × 338,724.62 - Step 4: Simplify right side
625,204.53x = 292,245,876,763.25 - Step 5: Solve for x
x = 292,245,876,763.25/625,204.53 - Step 6: Final answer
x = 467,440.43
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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.