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Finding the Fourth Proportional to 456,092.40, 684,138.60 and 189,764.40

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Solution

The fourth proportional to 456,092.40, 684,138.60 and 189,764.40 is: 284,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,092.40 : 684,138.60 = 189,764.40 : x
  2. Step 2: Convert to fraction form
    456,092.40/684,138.60 = 189,764.40/x
  3. Step 3: Cross multiply
    456,092.40x = 684,138.60 × 189,764.40
  4. Step 4: Simplify right side
    456,092.40x = 129,825,150,945.84
  5. Step 5: Solve for x
    x = 129,825,150,945.84/456,092.40
  6. Step 6: Final answer
    x = 284,646.60

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