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Finding the Fourth Proportional to 480,791.30, 721,541.28 and 228,072.56

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Solution

The fourth proportional to 480,791.30, 721,541.28 and 228,072.56 is: 342,276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,791.30 : 721,541.28 = 228,072.56 : x
  2. Step 2: Convert to fraction form
    480,791.30/721,541.28 = 228,072.56/x
  3. Step 3: Cross multiply
    480,791.30x = 721,541.28 × 228,072.56
  4. Step 4: Simplify right side
    480,791.30x = 164,563,766,875.28
  5. Step 5: Solve for x
    x = 164,563,766,875.28/480,791.30
  6. Step 6: Final answer
    x = 342,276.92

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