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Finding the Fourth Proportional to 644,867.80, 967,301.70 and 445,802.20

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Solution

The fourth proportional to 644,867.80, 967,301.70 and 445,802.20 is: 668,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,867.80 : 967,301.70 = 445,802.20 : x
  2. Step 2: Convert to fraction form
    644,867.80/967,301.70 = 445,802.20/x
  3. Step 3: Cross multiply
    644,867.80x = 967,301.70 × 445,802.20
  4. Step 4: Simplify right side
    644,867.80x = 431,225,225,923.74
  5. Step 5: Solve for x
    x = 431,225,225,923.74/644,867.80
  6. Step 6: Final answer
    x = 668,703.30

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