Home / 791,377.30-1,092,121-485,622.62

Finding the Fourth Proportional to 791,377.30, 1,092,121 and 485,622.62

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Solution

The fourth proportional to 791,377.30, 1,092,121 and 485,622.62 is: 670,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,377.30 : 1,092,121 = 485,622.62 : x
  2. Step 2: Convert to fraction form
    791,377.30/1,092,121 = 485,622.62/x
  3. Step 3: Cross multiply
    791,377.30x = 1,092,121 × 485,622.62
  4. Step 4: Simplify right side
    791,377.30x = 530,358,661,377.02
  5. Step 5: Solve for x
    x = 530,358,661,377.02/791,377.30
  6. Step 6: Final answer
    x = 670,171.69

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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.