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Finding the Fourth Proportional to 391,243.02, 587,082.58 and 211,324.81

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Solution

The fourth proportional to 391,243.02, 587,082.58 and 211,324.81 is: 317,105.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,243.02 : 587,082.58 = 211,324.81 : x
  2. Step 2: Convert to fraction form
    391,243.02/587,082.58 = 211,324.81/x
  3. Step 3: Cross multiply
    391,243.02x = 587,082.58 × 211,324.81
  4. Step 4: Simplify right side
    391,243.02x = 124,065,116,668.83
  5. Step 5: Solve for x
    x = 124,065,116,668.83/391,243.02
  6. Step 6: Final answer
    x = 317,105.00

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