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Finding the Fourth Proportional to 469,415.55, 647,793.63 and 254,555.56

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Solution

The fourth proportional to 469,415.55, 647,793.63 and 254,555.56 is: 351,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,415.55 : 647,793.63 = 254,555.56 : x
  2. Step 2: Convert to fraction form
    469,415.55/647,793.63 = 254,555.56/x
  3. Step 3: Cross multiply
    469,415.55x = 647,793.63 × 254,555.56
  4. Step 4: Simplify right side
    469,415.55x = 164,899,470,249.08
  5. Step 5: Solve for x
    x = 164,899,470,249.08/469,415.55
  6. Step 6: Final answer
    x = 351,286.77

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