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Finding the Fourth Proportional to 454,972.60, 682,458.90 and 449,067.70

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Solution

The fourth proportional to 454,972.60, 682,458.90 and 449,067.70 is: 673,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,972.60 : 682,458.90 = 449,067.70 : x
  2. Step 2: Convert to fraction form
    454,972.60/682,458.90 = 449,067.70/x
  3. Step 3: Cross multiply
    454,972.60x = 682,458.90 × 449,067.70
  4. Step 4: Simplify right side
    454,972.60x = 306,470,248,567.53
  5. Step 5: Solve for x
    x = 306,470,248,567.53/454,972.60
  6. Step 6: Final answer
    x = 673,601.55

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