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Finding the Fourth Proportional to 298,122.60, 446,659 and 280,364.16

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Solution

The fourth proportional to 298,122.60, 446,659 and 280,364.16 is: 420,052.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,122.60 : 446,659 = 280,364.16 : x
  2. Step 2: Convert to fraction form
    298,122.60/446,659 = 280,364.16/x
  3. Step 3: Cross multiply
    298,122.60x = 446,659 × 280,364.16
  4. Step 4: Simplify right side
    298,122.60x = 125,227,175,341.44
  5. Step 5: Solve for x
    x = 125,227,175,341.44/298,122.60
  6. Step 6: Final answer
    x = 420,052.61

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