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Finding the Fourth Proportional to 482,944.80, 724,384.80 and 127,951.20

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Solution

The fourth proportional to 482,944.80, 724,384.80 and 127,951.20 is: 191,918.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,944.80 : 724,384.80 = 127,951.20 : x
  2. Step 2: Convert to fraction form
    482,944.80/724,384.80 = 127,951.20/x
  3. Step 3: Cross multiply
    482,944.80x = 724,384.80 × 127,951.20
  4. Step 4: Simplify right side
    482,944.80x = 92,685,904,421.76
  5. Step 5: Solve for x
    x = 92,685,904,421.76/482,944.80
  6. Step 6: Final answer
    x = 191,918.22

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