Finding the Fourth Proportional to 912,627.20, 1,369,034.70 and 344,486.84
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Solution
The fourth proportional to 912,627.20, 1,369,034.70 and 344,486.84 is: 516,765.70
Step by Step Solution
- Step 1: Write the proportion equation
912,627.20 : 1,369,034.70 = 344,486.84 : x - Step 2: Convert to fraction form
912,627.20/1,369,034.70 = 344,486.84/x - Step 3: Cross multiply
912,627.20x = 1,369,034.70 × 344,486.84 - Step 4: Simplify right side
912,627.20x = 471,614,437,653.35 - Step 5: Solve for x
x = 471,614,437,653.35/912,627.20 - Step 6: Final answer
x = 516,765.70
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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.