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Finding the Fourth Proportional to 567,512.16, 783,172.02 and 312,872.46

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Solution

The fourth proportional to 567,512.16, 783,172.02 and 312,872.46 is: 431,766.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,512.16 : 783,172.02 = 312,872.46 : x
  2. Step 2: Convert to fraction form
    567,512.16/783,172.02 = 312,872.46/x
  3. Step 3: Cross multiply
    567,512.16x = 783,172.02 × 312,872.46
  4. Step 4: Simplify right side
    567,512.16x = 245,032,956,500.57
  5. Step 5: Solve for x
    x = 245,032,956,500.57/567,512.16
  6. Step 6: Final answer
    x = 431,766.88

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