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Finding the Fourth Proportional to 447,133.46, 616,780.89 and 281,297.21

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Solution

The fourth proportional to 447,133.46, 616,780.89 and 281,297.21 is: 388,024.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,133.46 : 616,780.89 = 281,297.21 : x
  2. Step 2: Convert to fraction form
    447,133.46/616,780.89 = 281,297.21/x
  3. Step 3: Cross multiply
    447,133.46x = 616,780.89 × 281,297.21
  4. Step 4: Simplify right side
    447,133.46x = 173,498,740,454.41
  5. Step 5: Solve for x
    x = 173,498,740,454.41/447,133.46
  6. Step 6: Final answer
    x = 388,024.51

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