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Finding the Fourth Proportional to 409,559.49, 565,171.83 and 228,286.35

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Solution

The fourth proportional to 409,559.49, 565,171.83 and 228,286.35 is: 315,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,559.49 : 565,171.83 = 228,286.35 : x
  2. Step 2: Convert to fraction form
    409,559.49/565,171.83 = 228,286.35/x
  3. Step 3: Cross multiply
    409,559.49x = 565,171.83 × 228,286.35
  4. Step 4: Simplify right side
    409,559.49x = 129,021,014,193.52
  5. Step 5: Solve for x
    x = 129,021,014,193.52/409,559.49
  6. Step 6: Final answer
    x = 315,023.87

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