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Finding the Fourth Proportional to 451,335.98, 677,847.15 and 397,319.78

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Solution

The fourth proportional to 451,335.98, 677,847.15 and 397,319.78 is: 596,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,335.98 : 677,847.15 = 397,319.78 : x
  2. Step 2: Convert to fraction form
    451,335.98/677,847.15 = 397,319.78/x
  3. Step 3: Cross multiply
    451,335.98x = 677,847.15 × 397,319.78
  4. Step 4: Simplify right side
    451,335.98x = 269,322,082,206.25
  5. Step 5: Solve for x
    x = 269,322,082,206.25/451,335.98
  6. Step 6: Final answer
    x = 596,721.94

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