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Finding the Fourth Proportional to 449,440.40, 673,285.80 and 271,418.60

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Solution

The fourth proportional to 449,440.40, 673,285.80 and 271,418.60 is: 406,599.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,440.40 : 673,285.80 = 271,418.60 : x
  2. Step 2: Convert to fraction form
    449,440.40/673,285.80 = 271,418.60/x
  3. Step 3: Cross multiply
    449,440.40x = 673,285.80 × 271,418.60
  4. Step 4: Simplify right side
    449,440.40x = 182,742,289,235.88
  5. Step 5: Solve for x
    x = 182,742,289,235.88/449,440.40
  6. Step 6: Final answer
    x = 406,599.61

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