Home / 619,890.60-929,617.20-220,544.40

Finding the Fourth Proportional to 619,890.60, 929,617.20 and 220,544.40

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Solution

The fourth proportional to 619,890.60, 929,617.20 and 220,544.40 is: 330,738.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,890.60 : 929,617.20 = 220,544.40 : x
  2. Step 2: Convert to fraction form
    619,890.60/929,617.20 = 220,544.40/x
  3. Step 3: Cross multiply
    619,890.60x = 929,617.20 × 220,544.40
  4. Step 4: Simplify right side
    619,890.60x = 205,021,867,603.68
  5. Step 5: Solve for x
    x = 205,021,867,603.68/619,890.60
  6. Step 6: Final answer
    x = 330,738.79

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