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Finding the Fourth Proportional to 553,325.85, 763,579.31 and 338,450.13

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Solution

The fourth proportional to 553,325.85, 763,579.31 and 338,450.13 is: 467,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,325.85 : 763,579.31 = 338,450.13 : x
  2. Step 2: Convert to fraction form
    553,325.85/763,579.31 = 338,450.13/x
  3. Step 3: Cross multiply
    553,325.85x = 763,579.31 × 338,450.13
  4. Step 4: Simplify right side
    553,325.85x = 258,433,515,042.56
  5. Step 5: Solve for x
    x = 258,433,515,042.56/553,325.85
  6. Step 6: Final answer
    x = 467,054.84

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