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Finding the Fourth Proportional to 465,772.80, 698,198.40 and 228,921.60

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Solution

The fourth proportional to 465,772.80, 698,198.40 and 228,921.60 is: 343,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,772.80 : 698,198.40 = 228,921.60 : x
  2. Step 2: Convert to fraction form
    465,772.80/698,198.40 = 228,921.60/x
  3. Step 3: Cross multiply
    465,772.80x = 698,198.40 × 228,921.60
  4. Step 4: Simplify right side
    465,772.80x = 159,832,694,845.44
  5. Step 5: Solve for x
    x = 159,832,694,845.44/465,772.80
  6. Step 6: Final answer
    x = 343,155.92

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