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Finding the Fourth Proportional to 524,499.20, 787,072.80 and 208,923.20

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Solution

The fourth proportional to 524,499.20, 787,072.80 and 208,923.20 is: 313,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,499.20 : 787,072.80 = 208,923.20 : x
  2. Step 2: Convert to fraction form
    524,499.20/787,072.80 = 208,923.20/x
  3. Step 3: Cross multiply
    524,499.20x = 787,072.80 × 208,923.20
  4. Step 4: Simplify right side
    524,499.20x = 164,437,768,008.96
  5. Step 5: Solve for x
    x = 164,437,768,008.96/524,499.20
  6. Step 6: Final answer
    x = 313,513.86

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