Home / 792,347.40-1,188,521.10-231,381.90

Finding the Fourth Proportional to 792,347.40, 1,188,521.10 and 231,381.90

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Solution

The fourth proportional to 792,347.40, 1,188,521.10 and 231,381.90 is: 347,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,347.40 : 1,188,521.10 = 231,381.90 : x
  2. Step 2: Convert to fraction form
    792,347.40/1,188,521.10 = 231,381.90/x
  3. Step 3: Cross multiply
    792,347.40x = 1,188,521.10 × 231,381.90
  4. Step 4: Simplify right side
    792,347.40x = 275,002,270,308.09
  5. Step 5: Solve for x
    x = 275,002,270,308.09/792,347.40
  6. Step 6: Final answer
    x = 347,072.85

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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.