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Finding the Fourth Proportional to 482,902.60, 724,451.10 and 404,559.40

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Solution

The fourth proportional to 482,902.60, 724,451.10 and 404,559.40 is: 606,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,902.60 : 724,451.10 = 404,559.40 : x
  2. Step 2: Convert to fraction form
    482,902.60/724,451.10 = 404,559.40/x
  3. Step 3: Cross multiply
    482,902.60x = 724,451.10 × 404,559.40
  4. Step 4: Simplify right side
    482,902.60x = 293,083,502,345.34
  5. Step 5: Solve for x
    x = 293,083,502,345.34/482,902.60
  6. Step 6: Final answer
    x = 606,920.53

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