Home / 668,946.80-1,002,059.40-415,449.20

Finding the Fourth Proportional to 668,946.80, 1,002,059.40 and 415,449.20

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Solution

The fourth proportional to 668,946.80, 1,002,059.40 and 415,449.20 is: 622,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,946.80 : 1,002,059.40 = 415,449.20 : x
  2. Step 2: Convert to fraction form
    668,946.80/1,002,059.40 = 415,449.20/x
  3. Step 3: Cross multiply
    668,946.80x = 1,002,059.40 × 415,449.20
  4. Step 4: Simplify right side
    668,946.80x = 416,304,776,082.48
  5. Step 5: Solve for x
    x = 416,304,776,082.48/668,946.80
  6. Step 6: Final answer
    x = 622,328.68

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