Home / 981,430.62-1,354,284.89-567,895.92

Finding the Fourth Proportional to 981,430.62, 1,354,284.89 and 567,895.92

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Solution

The fourth proportional to 981,430.62, 1,354,284.89 and 567,895.92 is: 783,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,430.62 : 1,354,284.89 = 567,895.92 : x
  2. Step 2: Convert to fraction form
    981,430.62/1,354,284.89 = 567,895.92/x
  3. Step 3: Cross multiply
    981,430.62x = 1,354,284.89 × 567,895.92
  4. Step 4: Simplify right side
    981,430.62x = 769,092,860,709.17
  5. Step 5: Solve for x
    x = 769,092,860,709.17/981,430.62
  6. Step 6: Final answer
    x = 783,644.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.