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Finding the Fourth Proportional to 443,723.60, 665,196.60 and 266,301.20

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Solution

The fourth proportional to 443,723.60, 665,196.60 and 266,301.20 is: 399,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,723.60 : 665,196.60 = 266,301.20 : x
  2. Step 2: Convert to fraction form
    443,723.60/665,196.60 = 266,301.20/x
  3. Step 3: Cross multiply
    443,723.60x = 665,196.60 × 266,301.20
  4. Step 4: Simplify right side
    443,723.60x = 177,142,652,815.92
  5. Step 5: Solve for x
    x = 177,142,652,815.92/443,723.60
  6. Step 6: Final answer
    x = 399,218.46

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