Home / 862,982.74-1,294,472.98-231,896.58

Finding the Fourth Proportional to 862,982.74, 1,294,472.98 and 231,896.58

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Solution

The fourth proportional to 862,982.74, 1,294,472.98 and 231,896.58 is: 347,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,982.74 : 1,294,472.98 = 231,896.58 : x
  2. Step 2: Convert to fraction form
    862,982.74/1,294,472.98 = 231,896.58/x
  3. Step 3: Cross multiply
    862,982.74x = 1,294,472.98 × 231,896.58
  4. Step 4: Simplify right side
    862,982.74x = 300,183,856,964.41
  5. Step 5: Solve for x
    x = 300,183,856,964.41/862,982.74
  6. Step 6: Final answer
    x = 347,844.57

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Double scale
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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.