Home / 749,299.12-1,123,652.82-299,936.23

Finding the Fourth Proportional to 749,299.12, 1,123,652.82 and 299,936.23

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Solution

The fourth proportional to 749,299.12, 1,123,652.82 and 299,936.23 is: 449,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,299.12 : 1,123,652.82 = 299,936.23 : x
  2. Step 2: Convert to fraction form
    749,299.12/1,123,652.82 = 299,936.23/x
  3. Step 3: Cross multiply
    749,299.12x = 1,123,652.82 × 299,936.23
  4. Step 4: Simplify right side
    749,299.12x = 337,024,188,975.30
  5. Step 5: Solve for x
    x = 337,024,188,975.30/749,299.12
  6. Step 6: Final answer
    x = 449,785.91

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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.