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Finding the Fourth Proportional to 470,205.98, 649,082.87 and 317,451.07

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Solution

The fourth proportional to 470,205.98, 649,082.87 and 317,451.07 is: 438,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,205.98 : 649,082.87 = 317,451.07 : x
  2. Step 2: Convert to fraction form
    470,205.98/649,082.87 = 317,451.07/x
  3. Step 3: Cross multiply
    470,205.98x = 649,082.87 × 317,451.07
  4. Step 4: Simplify right side
    470,205.98x = 206,052,046,767.50
  5. Step 5: Solve for x
    x = 206,052,046,767.50/470,205.98
  6. Step 6: Final answer
    x = 438,216.56

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