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Finding the Fourth Proportional to 432,849.80, 649,274.70 and 266,731.40

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Solution

The fourth proportional to 432,849.80, 649,274.70 and 266,731.40 is: 400,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,849.80 : 649,274.70 = 266,731.40 : x
  2. Step 2: Convert to fraction form
    432,849.80/649,274.70 = 266,731.40/x
  3. Step 3: Cross multiply
    432,849.80x = 649,274.70 × 266,731.40
  4. Step 4: Simplify right side
    432,849.80x = 173,181,949,715.58
  5. Step 5: Solve for x
    x = 173,181,949,715.58/432,849.80
  6. Step 6: Final answer
    x = 400,097.10

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