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Finding the Fourth Proportional to 493,996.50, 681,339.01 and 425,203.05

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Solution

The fourth proportional to 493,996.50, 681,339.01 and 425,203.05 is: 586,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,996.50 : 681,339.01 = 425,203.05 : x
  2. Step 2: Convert to fraction form
    493,996.50/681,339.01 = 425,203.05/x
  3. Step 3: Cross multiply
    493,996.50x = 681,339.01 × 425,203.05
  4. Step 4: Simplify right side
    493,996.50x = 289,707,425,135.98
  5. Step 5: Solve for x
    x = 289,707,425,135.98/493,996.50
  6. Step 6: Final answer
    x = 586,456.43

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