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Finding the Fourth Proportional to 443,398.40, 664,903.20 and 177,070.40

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Solution

The fourth proportional to 443,398.40, 664,903.20 and 177,070.40 is: 265,527.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,398.40 : 664,903.20 = 177,070.40 : x
  2. Step 2: Convert to fraction form
    443,398.40/664,903.20 = 177,070.40/x
  3. Step 3: Cross multiply
    443,398.40x = 664,903.20 × 177,070.40
  4. Step 4: Simplify right side
    443,398.40x = 117,734,675,585.28
  5. Step 5: Solve for x
    x = 117,734,675,585.28/443,398.40
  6. Step 6: Final answer
    x = 265,527.97

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