Home / 792,437.40-1,188,656.10-231,471.90

Finding the Fourth Proportional to 792,437.40, 1,188,656.10 and 231,471.90

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Solution

The fourth proportional to 792,437.40, 1,188,656.10 and 231,471.90 is: 347,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,437.40 : 1,188,656.10 = 231,471.90 : x
  2. Step 2: Convert to fraction form
    792,437.40/1,188,656.10 = 231,471.90/x
  3. Step 3: Cross multiply
    792,437.40x = 1,188,656.10 × 231,471.90
  4. Step 4: Simplify right side
    792,437.40x = 275,140,485,913.59
  5. Step 5: Solve for x
    x = 275,140,485,913.59/792,437.40
  6. Step 6: Final answer
    x = 347,207.85

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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.