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Finding the Fourth Proportional to 324,007.80, 486,011.70 and 228,622.20

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Solution

The fourth proportional to 324,007.80, 486,011.70 and 228,622.20 is: 342,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,007.80 : 486,011.70 = 228,622.20 : x
  2. Step 2: Convert to fraction form
    324,007.80/486,011.70 = 228,622.20/x
  3. Step 3: Cross multiply
    324,007.80x = 486,011.70 × 228,622.20
  4. Step 4: Simplify right side
    324,007.80x = 111,113,064,079.74
  5. Step 5: Solve for x
    x = 111,113,064,079.74/324,007.80
  6. Step 6: Final answer
    x = 342,933.30

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