Home / 781,693.60-1,172,179.44-332,174.80

Finding the Fourth Proportional to 781,693.60, 1,172,179.44 and 332,174.80

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Solution

The fourth proportional to 781,693.60, 1,172,179.44 and 332,174.80 is: 498,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,693.60 : 1,172,179.44 = 332,174.80 : x
  2. Step 2: Convert to fraction form
    781,693.60/1,172,179.44 = 332,174.80/x
  3. Step 3: Cross multiply
    781,693.60x = 1,172,179.44 × 332,174.80
  4. Step 4: Simplify right side
    781,693.60x = 389,368,471,046.11
  5. Step 5: Solve for x
    x = 389,368,471,046.11/781,693.60
  6. Step 6: Final answer
    x = 498,108.81

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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.