Finding the Fourth Proportional to 814,304.72, 1,221,438.72 and 281,793.68
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Solution
The fourth proportional to 814,304.72, 1,221,438.72 and 281,793.68 is: 422,684.17
Step by Step Solution
- Step 1: Write the proportion equation
814,304.72 : 1,221,438.72 = 281,793.68 : x - Step 2: Convert to fraction form
814,304.72/1,221,438.72 = 281,793.68/x - Step 3: Cross multiply
814,304.72x = 1,221,438.72 × 281,793.68 - Step 4: Simplify right side
814,304.72x = 344,193,711,803.29 - Step 5: Solve for x
x = 344,193,711,803.29/814,304.72 - Step 6: Final answer
x = 422,684.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.