Home / 739,441.62-1,109,162.42-178,476.12

Finding the Fourth Proportional to 739,441.62, 1,109,162.42 and 178,476.12

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Solution

The fourth proportional to 739,441.62, 1,109,162.42 and 178,476.12 is: 267,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,441.62 : 1,109,162.42 = 178,476.12 : x
  2. Step 2: Convert to fraction form
    739,441.62/1,109,162.42 = 178,476.12/x
  3. Step 3: Cross multiply
    739,441.62x = 1,109,162.42 × 178,476.12
  4. Step 4: Simplify right side
    739,441.62x = 197,959,000,179.37
  5. Step 5: Solve for x
    x = 197,959,000,179.37/739,441.62
  6. Step 6: Final answer
    x = 267,714.17

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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.