Home / 499,330.13-749,183.85-299,789.73

Finding the Fourth Proportional to 499,330.13, 749,183.85 and 299,789.73

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Solution

The fourth proportional to 499,330.13, 749,183.85 and 299,789.73 is: 449,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,330.13 : 749,183.85 = 299,789.73 : x
  2. Step 2: Convert to fraction form
    499,330.13/749,183.85 = 299,789.73/x
  3. Step 3: Cross multiply
    499,330.13x = 749,183.85 × 299,789.73
  4. Step 4: Simplify right side
    499,330.13x = 224,597,624,111.86
  5. Step 5: Solve for x
    x = 224,597,624,111.86/499,330.13
  6. Step 6: Final answer
    x = 449,797.86

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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.