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Finding the Fourth Proportional to 520,371.32, 780,556.96 and 146,394.32

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Solution

The fourth proportional to 520,371.32, 780,556.96 and 146,394.32 is: 219,591.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,371.32 : 780,556.96 = 146,394.32 : x
  2. Step 2: Convert to fraction form
    520,371.32/780,556.96 = 146,394.32/x
  3. Step 3: Cross multiply
    520,371.32x = 780,556.96 × 146,394.32
  4. Step 4: Simplify right side
    520,371.32x = 114,269,105,380.47
  5. Step 5: Solve for x
    x = 114,269,105,380.47/520,371.32
  6. Step 6: Final answer
    x = 219,591.47

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