Home / 749,123.13-1,033,789.92-409,591.38

Finding the Fourth Proportional to 749,123.13, 1,033,789.92 and 409,591.38

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Solution

The fourth proportional to 749,123.13, 1,033,789.92 and 409,591.38 is: 565,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,123.13 : 1,033,789.92 = 409,591.38 : x
  2. Step 2: Convert to fraction form
    749,123.13/1,033,789.92 = 409,591.38/x
  3. Step 3: Cross multiply
    749,123.13x = 1,033,789.92 × 409,591.38
  4. Step 4: Simplify right side
    749,123.13x = 423,431,439,962.89
  5. Step 5: Solve for x
    x = 423,431,439,962.89/749,123.13
  6. Step 6: Final answer
    x = 565,236.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.