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Finding the Fourth Proportional to 547,793.70, 821,690.55 and 454,481.70

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Solution

The fourth proportional to 547,793.70, 821,690.55 and 454,481.70 is: 681,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,793.70 : 821,690.55 = 454,481.70 : x
  2. Step 2: Convert to fraction form
    547,793.70/821,690.55 = 454,481.70/x
  3. Step 3: Cross multiply
    547,793.70x = 821,690.55 × 454,481.70
  4. Step 4: Simplify right side
    547,793.70x = 373,443,318,037.94
  5. Step 5: Solve for x
    x = 373,443,318,037.94/547,793.70
  6. Step 6: Final answer
    x = 681,722.55

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