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Finding the Fourth Proportional to 456,002.40, 684,003.60 and 189,674.40

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Solution

The fourth proportional to 456,002.40, 684,003.60 and 189,674.40 is: 284,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,002.40 : 684,003.60 = 189,674.40 : x
  2. Step 2: Convert to fraction form
    456,002.40/684,003.60 = 189,674.40/x
  3. Step 3: Cross multiply
    456,002.40x = 684,003.60 × 189,674.40
  4. Step 4: Simplify right side
    456,002.40x = 129,737,972,427.84
  5. Step 5: Solve for x
    x = 129,737,972,427.84/456,002.40
  6. Step 6: Final answer
    x = 284,511.60

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