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Finding the Fourth Proportional to 667,745.46, 921,479.25 and 361,814.69

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Solution

The fourth proportional to 667,745.46, 921,479.25 and 361,814.69 is: 499,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,745.46 : 921,479.25 = 361,814.69 : x
  2. Step 2: Convert to fraction form
    667,745.46/921,479.25 = 361,814.69/x
  3. Step 3: Cross multiply
    667,745.46x = 921,479.25 × 361,814.69
  4. Step 4: Simplify right side
    667,745.46x = 333,404,724,572.79
  5. Step 5: Solve for x
    x = 333,404,724,572.79/667,745.46
  6. Step 6: Final answer
    x = 499,299.13

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