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Finding the Fourth Proportional to 289,046.80, 433,548.60 and 120,523.60

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Solution

The fourth proportional to 289,046.80, 433,548.60 and 120,523.60 is: 180,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,046.80 : 433,548.60 = 120,523.60 : x
  2. Step 2: Convert to fraction form
    289,046.80/433,548.60 = 120,523.60/x
  3. Step 3: Cross multiply
    289,046.80x = 433,548.60 × 120,523.60
  4. Step 4: Simplify right side
    289,046.80x = 52,252,838,046.96
  5. Step 5: Solve for x
    x = 52,252,838,046.96/289,046.80
  6. Step 6: Final answer
    x = 180,776.39

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