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Finding the Fourth Proportional to 469,491.54, 647,898.63 and 254,631.54

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Solution

The fourth proportional to 469,491.54, 647,898.63 and 254,631.54 is: 351,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,491.54 : 647,898.63 = 254,631.54 : x
  2. Step 2: Convert to fraction form
    469,491.54/647,898.63 = 254,631.54/x
  3. Step 3: Cross multiply
    469,491.54x = 647,898.63 × 254,631.54
  4. Step 4: Simplify right side
    469,491.54x = 164,975,425,920.79
  5. Step 5: Solve for x
    x = 164,975,425,920.79/469,491.54
  6. Step 6: Final answer
    x = 351,391.69

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