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Finding the Fourth Proportional to 482,733.60, 724,100.40 and 305,440.80

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Solution

The fourth proportional to 482,733.60, 724,100.40 and 305,440.80 is: 458,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,733.60 : 724,100.40 = 305,440.80 : x
  2. Step 2: Convert to fraction form
    482,733.60/724,100.40 = 305,440.80/x
  3. Step 3: Cross multiply
    482,733.60x = 724,100.40 × 305,440.80
  4. Step 4: Simplify right side
    482,733.60x = 221,169,805,456.32
  5. Step 5: Solve for x
    x = 221,169,805,456.32/482,733.60
  6. Step 6: Final answer
    x = 458,161.20

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