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Finding the Fourth Proportional to 1,628.91, 2,443.73 and 474.75

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Solution

The fourth proportional to 1,628.91, 2,443.73 and 474.75 is: 712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.91 : 2,443.73 = 474.75 : x
  2. Step 2: Convert to fraction form
    1,628.91/2,443.73 = 474.75/x
  3. Step 3: Cross multiply
    1,628.91x = 2,443.73 × 474.75
  4. Step 4: Simplify right side
    1,628.91x = 1,160,158.44
  5. Step 5: Solve for x
    x = 1,160,158.44/1,628.91
  6. Step 6: Final answer
    x = 712.23

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