Home / 981,920.67-1,472,415.66-342,001.23

Finding the Fourth Proportional to 981,920.67, 1,472,415.66 and 342,001.23

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Solution

The fourth proportional to 981,920.67, 1,472,415.66 and 342,001.23 is: 512,839.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,920.67 : 1,472,415.66 = 342,001.23 : x
  2. Step 2: Convert to fraction form
    981,920.67/1,472,415.66 = 342,001.23/x
  3. Step 3: Cross multiply
    981,920.67x = 1,472,415.66 × 342,001.23
  4. Step 4: Simplify right side
    981,920.67x = 503,567,966,791.26
  5. Step 5: Solve for x
    x = 503,567,966,791.26/981,920.67
  6. Step 6: Final answer
    x = 512,839.77

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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.