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Finding the Fourth Proportional to 484,068.80, 726,103.20 and 307,359.20

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Solution

The fourth proportional to 484,068.80, 726,103.20 and 307,359.20 is: 461,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,068.80 : 726,103.20 = 307,359.20 : x
  2. Step 2: Convert to fraction form
    484,068.80/726,103.20 = 307,359.20/x
  3. Step 3: Cross multiply
    484,068.80x = 726,103.20 × 307,359.20
  4. Step 4: Simplify right side
    484,068.80x = 223,174,498,669.44
  5. Step 5: Solve for x
    x = 223,174,498,669.44/484,068.80
  6. Step 6: Final answer
    x = 461,038.80

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