Finding the Fourth Proportional to 726,948.29, 1,090,422.45 and 327,121.97
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Solution
The fourth proportional to 726,948.29, 1,090,422.45 and 327,121.97 is: 490,682.95
Step by Step Solution
- Step 1: Write the proportion equation
726,948.29 : 1,090,422.45 = 327,121.97 : x - Step 2: Convert to fraction form
726,948.29/1,090,422.45 = 327,121.97/x - Step 3: Cross multiply
726,948.29x = 1,090,422.45 × 327,121.97 - Step 4: Simplify right side
726,948.29x = 356,701,134,524.11 - Step 5: Solve for x
x = 356,701,134,524.11/726,948.29 - Step 6: Final answer
x = 490,682.95
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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.