Home / 668,323.10-1,002,084.30-212,717.54

Finding the Fourth Proportional to 668,323.10, 1,002,084.30 and 212,717.54

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Solution

The fourth proportional to 668,323.10, 1,002,084.30 and 212,717.54 is: 318,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,323.10 : 1,002,084.30 = 212,717.54 : x
  2. Step 2: Convert to fraction form
    668,323.10/1,002,084.30 = 212,717.54/x
  3. Step 3: Cross multiply
    668,323.10x = 1,002,084.30 × 212,717.54
  4. Step 4: Simplify right side
    668,323.10x = 213,160,907,168.62
  5. Step 5: Solve for x
    x = 213,160,907,168.62/668,323.10
  6. Step 6: Final answer
    x = 318,948.88

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