Finding the Fourth Proportional to 690,229.01, 1,035,491.97 and 344,201.06
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Solution
The fourth proportional to 690,229.01, 1,035,491.97 and 344,201.06 is: 516,375.62
Step by Step Solution
- Step 1: Write the proportion equation
690,229.01 : 1,035,491.97 = 344,201.06 : x - Step 2: Convert to fraction form
690,229.01/1,035,491.97 = 344,201.06/x - Step 3: Cross multiply
690,229.01x = 1,035,491.97 × 344,201.06 - Step 4: Simplify right side
690,229.01x = 356,417,434,555.99 - Step 5: Solve for x
x = 356,417,434,555.99/690,229.01 - Step 6: Final answer
x = 516,375.62
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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.