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Finding the Fourth Proportional to 566,482.80, 781,768.56 and 311,857.68

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Solution

The fourth proportional to 566,482.80, 781,768.56 and 311,857.68 is: 430,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,482.80 : 781,768.56 = 311,857.68 : x
  2. Step 2: Convert to fraction form
    566,482.80/781,768.56 = 311,857.68/x
  3. Step 3: Cross multiply
    566,482.80x = 781,768.56 × 311,857.68
  4. Step 4: Simplify right side
    566,482.80x = 243,800,529,418.54
  5. Step 5: Solve for x
    x = 243,800,529,418.54/566,482.80
  6. Step 6: Final answer
    x = 430,375.87

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