Finding the Fourth Proportional to 722,251.71, 1,082,786.43 and 272,717.49
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Solution
The fourth proportional to 722,251.71, 1,082,786.43 and 272,717.49 is: 408,853.03
Step by Step Solution
- Step 1: Write the proportion equation
722,251.71 : 1,082,786.43 = 272,717.49 : x - Step 2: Convert to fraction form
722,251.71/1,082,786.43 = 272,717.49/x - Step 3: Cross multiply
722,251.71x = 1,082,786.43 × 272,717.49 - Step 4: Simplify right side
722,251.71x = 295,294,797,395.66 - Step 5: Solve for x
x = 295,294,797,395.66/722,251.71 - Step 6: Final answer
x = 408,853.03
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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.