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Finding the Fourth Proportional to 443,437.14, 665,131.06 and 206,945.89

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Solution

The fourth proportional to 443,437.14, 665,131.06 and 206,945.89 is: 310,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,437.14 : 665,131.06 = 206,945.89 : x
  2. Step 2: Convert to fraction form
    443,437.14/665,131.06 = 206,945.89/x
  3. Step 3: Cross multiply
    443,437.14x = 665,131.06 × 206,945.89
  4. Step 4: Simplify right side
    443,437.14x = 137,646,139,178.34
  5. Step 5: Solve for x
    x = 137,646,139,178.34/443,437.14
  6. Step 6: Final answer
    x = 310,407.33

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