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Finding the Fourth Proportional to 436,591.57, 654,887.39 and 121,048.49

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Solution

The fourth proportional to 436,591.57, 654,887.39 and 121,048.49 is: 181,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,591.57 : 654,887.39 = 121,048.49 : x
  2. Step 2: Convert to fraction form
    436,591.57/654,887.39 = 121,048.49/x
  3. Step 3: Cross multiply
    436,591.57x = 654,887.39 × 121,048.49
  4. Step 4: Simplify right side
    436,591.57x = 79,273,129,679.54
  5. Step 5: Solve for x
    x = 79,273,129,679.54/436,591.57
  6. Step 6: Final answer
    x = 181,572.74

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