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Finding the Fourth Proportional to 636,824.64, 954,449.64 and 321,371.76

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Solution

The fourth proportional to 636,824.64, 954,449.64 and 321,371.76 is: 481,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,824.64 : 954,449.64 = 321,371.76 : x
  2. Step 2: Convert to fraction form
    636,824.64/954,449.64 = 321,371.76/x
  3. Step 3: Cross multiply
    636,824.64x = 954,449.64 × 321,371.76
  4. Step 4: Simplify right side
    636,824.64x = 306,733,160,638.17
  5. Step 5: Solve for x
    x = 306,733,160,638.17/636,824.64
  6. Step 6: Final answer
    x = 481,660.32

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