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Finding the Fourth Proportional to 566,113.72, 781,225.80 and 311,469.16

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Solution

The fourth proportional to 566,113.72, 781,225.80 and 311,469.16 is: 429,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,113.72 : 781,225.80 = 311,469.16 : x
  2. Step 2: Convert to fraction form
    566,113.72/781,225.80 = 311,469.16/x
  3. Step 3: Cross multiply
    566,113.72x = 781,225.80 × 311,469.16
  4. Step 4: Simplify right side
    566,113.72x = 243,327,743,696.33
  5. Step 5: Solve for x
    x = 243,327,743,696.33/566,113.72
  6. Step 6: Final answer
    x = 429,821.32

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