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Finding the Fourth Proportional to 446,240.82, 669,275.16 and 126,390.20

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Solution

The fourth proportional to 446,240.82, 669,275.16 and 126,390.20 is: 189,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,240.82 : 669,275.16 = 126,390.20 : x
  2. Step 2: Convert to fraction form
    446,240.82/669,275.16 = 126,390.20/x
  3. Step 3: Cross multiply
    446,240.82x = 669,275.16 × 126,390.20
  4. Step 4: Simplify right side
    446,240.82x = 84,589,821,327.43
  5. Step 5: Solve for x
    x = 84,589,821,327.43/446,240.82
  6. Step 6: Final answer
    x = 189,560.92

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