Home / 981,921.67-1,472,417.16-342,002.23

Finding the Fourth Proportional to 981,921.67, 1,472,417.16 and 342,002.23

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Solution

The fourth proportional to 981,921.67, 1,472,417.16 and 342,002.23 is: 512,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,921.67 : 1,472,417.16 = 342,002.23 : x
  2. Step 2: Convert to fraction form
    981,921.67/1,472,417.16 = 342,002.23/x
  3. Step 3: Cross multiply
    981,921.67x = 1,472,417.16 × 342,002.23
  4. Step 4: Simplify right side
    981,921.67x = 503,569,952,210.27
  5. Step 5: Solve for x
    x = 503,569,952,210.27/981,921.67
  6. Step 6: Final answer
    x = 512,841.27

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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.