Home / 499,331.13-749,185.35-299,790.73

Finding the Fourth Proportional to 499,331.13, 749,185.35 and 299,790.73

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Solution

The fourth proportional to 499,331.13, 749,185.35 and 299,790.73 is: 449,799.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,331.13 : 749,185.35 = 299,790.73 : x
  2. Step 2: Convert to fraction form
    499,331.13/749,185.35 = 299,790.73/x
  3. Step 3: Cross multiply
    499,331.13x = 749,185.35 × 299,790.73
  4. Step 4: Simplify right side
    499,331.13x = 224,598,822,981.81
  5. Step 5: Solve for x
    x = 224,598,822,981.81/499,331.13
  6. Step 6: Final answer
    x = 449,799.36

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1.5x scale

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.