Home / 792,154.60-1,188,404.70-231,143.40

Finding the Fourth Proportional to 792,154.60, 1,188,404.70 and 231,143.40

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Solution

The fourth proportional to 792,154.60, 1,188,404.70 and 231,143.40 is: 346,765.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,154.60 : 1,188,404.70 = 231,143.40 : x
  2. Step 2: Convert to fraction form
    792,154.60/1,188,404.70 = 231,143.40/x
  3. Step 3: Cross multiply
    792,154.60x = 1,188,404.70 × 231,143.40
  4. Step 4: Simplify right side
    792,154.60x = 274,691,902,933.98
  5. Step 5: Solve for x
    x = 274,691,902,933.98/792,154.60
  6. Step 6: Final answer
    x = 346,765.52

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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.