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Finding the Fourth Proportional to 482,974.60, 724,559.10 and 404,631.40

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Solution

The fourth proportional to 482,974.60, 724,559.10 and 404,631.40 is: 607,028.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,974.60 : 724,559.10 = 404,631.40 : x
  2. Step 2: Convert to fraction form
    482,974.60/724,559.10 = 404,631.40/x
  3. Step 3: Cross multiply
    482,974.60x = 724,559.10 × 404,631.40
  4. Step 4: Simplify right side
    482,974.60x = 293,179,363,015.74
  5. Step 5: Solve for x
    x = 293,179,363,015.74/482,974.60
  6. Step 6: Final answer
    x = 607,028.53

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