Home / 1,231.00-1,844.91-499.73

Finding the Fourth Proportional to 1,231.00, 1,844.91 and 499.73

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Solution

The fourth proportional to 1,231.00, 1,844.91 and 499.73 is: 748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.00 : 1,844.91 = 499.73 : x
  2. Step 2: Convert to fraction form
    1,231.00/1,844.91 = 499.73/x
  3. Step 3: Cross multiply
    1,231.00x = 1,844.91 × 499.73
  4. Step 4: Simplify right side
    1,231.00x = 921,954.57
  5. Step 5: Solve for x
    x = 921,954.57/1,231.00
  6. Step 6: Final answer
    x = 748.95

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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.