Home / 705,067.40-1,057,601.10-231,638.60

Finding the Fourth Proportional to 705,067.40, 1,057,601.10 and 231,638.60

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Solution

The fourth proportional to 705,067.40, 1,057,601.10 and 231,638.60 is: 347,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,067.40 : 1,057,601.10 = 231,638.60 : x
  2. Step 2: Convert to fraction form
    705,067.40/1,057,601.10 = 231,638.60/x
  3. Step 3: Cross multiply
    705,067.40x = 1,057,601.10 × 231,638.60
  4. Step 4: Simplify right side
    705,067.40x = 244,981,238,162.46
  5. Step 5: Solve for x
    x = 244,981,238,162.46/705,067.40
  6. Step 6: Final answer
    x = 347,457.90

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Double scale
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Similar ratio
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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.