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Finding the Fourth Proportional to 658,380.60, 987,279.30 and 303,211.80

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Solution

The fourth proportional to 658,380.60, 987,279.30 and 303,211.80 is: 454,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,380.60 : 987,279.30 = 303,211.80 : x
  2. Step 2: Convert to fraction form
    658,380.60/987,279.30 = 303,211.80/x
  3. Step 3: Cross multiply
    658,380.60x = 987,279.30 × 303,211.80
  4. Step 4: Simplify right side
    658,380.60x = 299,354,733,655.74
  5. Step 5: Solve for x
    x = 299,354,733,655.74/658,380.60
  6. Step 6: Final answer
    x = 454,683.41

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