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Finding the Fourth Proportional to 652,148.20, 978,222.30 and 439,571.80

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Solution

The fourth proportional to 652,148.20, 978,222.30 and 439,571.80 is: 659,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,148.20 : 978,222.30 = 439,571.80 : x
  2. Step 2: Convert to fraction form
    652,148.20/978,222.30 = 439,571.80/x
  3. Step 3: Cross multiply
    652,148.20x = 978,222.30 × 439,571.80
  4. Step 4: Simplify right side
    652,148.20x = 429,998,937,211.14
  5. Step 5: Solve for x
    x = 429,998,937,211.14/652,148.20
  6. Step 6: Final answer
    x = 659,357.70

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