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Finding the Fourth Proportional to 443,425.04, 664,673.16 and 206,572.40

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Solution

The fourth proportional to 443,425.04, 664,673.16 and 206,572.40 is: 309,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,425.04 : 664,673.16 = 206,572.40 : x
  2. Step 2: Convert to fraction form
    443,425.04/664,673.16 = 206,572.40/x
  3. Step 3: Cross multiply
    443,425.04x = 664,673.16 × 206,572.40
  4. Step 4: Simplify right side
    443,425.04x = 137,303,129,876.78
  5. Step 5: Solve for x
    x = 137,303,129,876.78/443,425.04
  6. Step 6: Final answer
    x = 309,642.26

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