Home / 782,658.60-1,174,431.06-333,332.76

Finding the Fourth Proportional to 782,658.60, 1,174,431.06 and 333,332.76

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Solution

The fourth proportional to 782,658.60, 1,174,431.06 and 333,332.76 is: 500,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,658.60 : 1,174,431.06 = 333,332.76 : x
  2. Step 2: Convert to fraction form
    782,658.60/1,174,431.06 = 333,332.76/x
  3. Step 3: Cross multiply
    782,658.60x = 1,174,431.06 × 333,332.76
  4. Step 4: Simplify right side
    782,658.60x = 391,476,346,659.53
  5. Step 5: Solve for x
    x = 391,476,346,659.53/782,658.60
  6. Step 6: Final answer
    x = 500,187.88

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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.