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Finding the Fourth Proportional to 454,029.60, 681,433.20 and 201,698.40

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Solution

The fourth proportional to 454,029.60, 681,433.20 and 201,698.40 is: 302,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,029.60 : 681,433.20 = 201,698.40 : x
  2. Step 2: Convert to fraction form
    454,029.60/681,433.20 = 201,698.40/x
  3. Step 3: Cross multiply
    454,029.60x = 681,433.20 × 201,698.40
  4. Step 4: Simplify right side
    454,029.60x = 137,443,986,146.88
  5. Step 5: Solve for x
    x = 137,443,986,146.88/454,029.60
  6. Step 6: Final answer
    x = 302,720.32

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