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Finding the Fourth Proportional to 482,900.80, 724,318.80 and 127,907.20

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Solution

The fourth proportional to 482,900.80, 724,318.80 and 127,907.20 is: 191,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,900.80 : 724,318.80 = 127,907.20 : x
  2. Step 2: Convert to fraction form
    482,900.80/724,318.80 = 127,907.20/x
  3. Step 3: Cross multiply
    482,900.80x = 724,318.80 × 127,907.20
  4. Step 4: Simplify right side
    482,900.80x = 92,645,589,615.36
  5. Step 5: Solve for x
    x = 92,645,589,615.36/482,900.80
  6. Step 6: Final answer
    x = 191,852.22

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