Home / 981,922.68-1,472,418.66-342,003.24

Finding the Fourth Proportional to 981,922.68, 1,472,418.66 and 342,003.24

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Solution

The fourth proportional to 981,922.68, 1,472,418.66 and 342,003.24 is: 512,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,922.68 : 1,472,418.66 = 342,003.24 : x
  2. Step 2: Convert to fraction form
    981,922.68/1,472,418.66 = 342,003.24/x
  3. Step 3: Cross multiply
    981,922.68x = 1,472,418.66 × 342,003.24
  4. Step 4: Simplify right side
    981,922.68x = 503,571,952,356.46
  5. Step 5: Solve for x
    x = 503,571,952,356.46/981,922.68
  6. Step 6: Final answer
    x = 512,842.78

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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.