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Finding the Fourth Proportional to 483,278.06, 666,905.27 and 268,431.90

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Solution

The fourth proportional to 483,278.06, 666,905.27 and 268,431.90 is: 370,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,278.06 : 666,905.27 = 268,431.90 : x
  2. Step 2: Convert to fraction form
    483,278.06/666,905.27 = 268,431.90/x
  3. Step 3: Cross multiply
    483,278.06x = 666,905.27 × 268,431.90
  4. Step 4: Simplify right side
    483,278.06x = 179,018,647,403.95
  5. Step 5: Solve for x
    x = 179,018,647,403.95/483,278.06
  6. Step 6: Final answer
    x = 370,425.77

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