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Finding the Fourth Proportional to 482,907.30, 724,328.55 and 127,913.70

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Solution

The fourth proportional to 482,907.30, 724,328.55 and 127,913.70 is: 191,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,907.30 : 724,328.55 = 127,913.70 : x
  2. Step 2: Convert to fraction form
    482,907.30/724,328.55 = 127,913.70/x
  3. Step 3: Cross multiply
    482,907.30x = 724,328.55 × 127,913.70
  4. Step 4: Simplify right side
    482,907.30x = 92,651,544,846.14
  5. Step 5: Solve for x
    x = 92,651,544,846.14/482,907.30
  6. Step 6: Final answer
    x = 191,861.97

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