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Finding the Fourth Proportional to 297,911.60, 446,867.40 and 284,087.60

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Solution

The fourth proportional to 297,911.60, 446,867.40 and 284,087.60 is: 426,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,911.60 : 446,867.40 = 284,087.60 : x
  2. Step 2: Convert to fraction form
    297,911.60/446,867.40 = 284,087.60/x
  3. Step 3: Cross multiply
    297,911.60x = 446,867.40 × 284,087.60
  4. Step 4: Simplify right side
    297,911.60x = 126,949,487,184.24
  5. Step 5: Solve for x
    x = 126,949,487,184.24/297,911.60
  6. Step 6: Final answer
    x = 426,131.40

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