Home / 739,476.38-1,109,214.58-240,840.38

Finding the Fourth Proportional to 739,476.38, 1,109,214.58 and 240,840.38

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Solution

The fourth proportional to 739,476.38, 1,109,214.58 and 240,840.38 is: 361,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,476.38 : 1,109,214.58 = 240,840.38 : x
  2. Step 2: Convert to fraction form
    739,476.38/1,109,214.58 = 240,840.38/x
  3. Step 3: Cross multiply
    739,476.38x = 1,109,214.58 × 240,840.38
  4. Step 4: Simplify right side
    739,476.38x = 267,143,660,948.74
  5. Step 5: Solve for x
    x = 267,143,660,948.74/739,476.38
  6. Step 6: Final answer
    x = 361,260.57

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Double scale
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Similar ratio
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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.