Home / 739,843.28-1,109,098.42-266,195.42

Finding the Fourth Proportional to 739,843.28, 1,109,098.42 and 266,195.42

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Solution

The fourth proportional to 739,843.28, 1,109,098.42 and 266,195.42 is: 399,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,843.28 : 1,109,098.42 = 266,195.42 : x
  2. Step 2: Convert to fraction form
    739,843.28/1,109,098.42 = 266,195.42/x
  3. Step 3: Cross multiply
    739,843.28x = 1,109,098.42 × 266,195.42
  4. Step 4: Simplify right side
    739,843.28x = 295,236,919,733.24
  5. Step 5: Solve for x
    x = 295,236,919,733.24/739,843.28
  6. Step 6: Final answer
    x = 399,053.32

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Double scale
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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.