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Finding the Fourth Proportional to 409,847.32, 565,588.20 and 228,559.46

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Solution

The fourth proportional to 409,847.32, 565,588.20 and 228,559.46 is: 315,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,847.32 : 565,588.20 = 228,559.46 : x
  2. Step 2: Convert to fraction form
    409,847.32/565,588.20 = 228,559.46/x
  3. Step 3: Cross multiply
    409,847.32x = 565,588.20 × 228,559.46
  4. Step 4: Simplify right side
    409,847.32x = 129,270,531,603.53
  5. Step 5: Solve for x
    x = 129,270,531,603.53/409,847.32
  6. Step 6: Final answer
    x = 315,411.43

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