Finding the Fourth Proportional to 503,375.34, 694,660.28 and 288,527.97
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Solution
The fourth proportional to 503,375.34, 694,660.28 and 288,527.97 is: 398,169.92
Step by Step Solution
- Step 1: Write the proportion equation
503,375.34 : 694,660.28 = 288,527.97 : x - Step 2: Convert to fraction form
503,375.34/694,660.28 = 288,527.97/x - Step 3: Cross multiply
503,375.34x = 694,660.28 × 288,527.97 - Step 4: Simplify right side
503,375.34x = 200,428,918,985.39 - Step 5: Solve for x
x = 200,428,918,985.39/503,375.34 - Step 6: Final answer
x = 398,169.92
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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.