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Finding the Fourth Proportional to 470,229.08, 649,114.71 and 317,474.20

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Solution

The fourth proportional to 470,229.08, 649,114.71 and 317,474.20 is: 438,248.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,229.08 : 649,114.71 = 317,474.20 : x
  2. Step 2: Convert to fraction form
    470,229.08/649,114.71 = 317,474.20/x
  3. Step 3: Cross multiply
    470,229.08x = 649,114.71 × 317,474.20
  4. Step 4: Simplify right side
    470,229.08x = 206,077,170,019.91
  5. Step 5: Solve for x
    x = 206,077,170,019.91/470,229.08
  6. Step 6: Final answer
    x = 438,248.46

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