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Finding the Fourth Proportional to 279,237.12, 420,718.79 and 252,612.79

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Solution

The fourth proportional to 279,237.12, 420,718.79 and 252,612.79 is: 380,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,237.12 : 420,718.79 = 252,612.79 : x
  2. Step 2: Convert to fraction form
    279,237.12/420,718.79 = 252,612.79/x
  3. Step 3: Cross multiply
    279,237.12x = 420,718.79 × 252,612.79
  4. Step 4: Simplify right side
    279,237.12x = 106,278,947,347.32
  5. Step 5: Solve for x
    x = 106,278,947,347.32/279,237.12
  6. Step 6: Final answer
    x = 380,604.65

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