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Finding the Fourth Proportional to 406,682.28, 561,206.27 and 225,397.31

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Solution

The fourth proportional to 406,682.28, 561,206.27 and 225,397.31 is: 311,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,682.28 : 561,206.27 = 225,397.31 : x
  2. Step 2: Convert to fraction form
    406,682.28/561,206.27 = 225,397.31/x
  3. Step 3: Cross multiply
    406,682.28x = 561,206.27 × 225,397.31
  4. Step 4: Simplify right side
    406,682.28x = 126,494,379,680.12
  5. Step 5: Solve for x
    x = 126,494,379,680.12/406,682.28
  6. Step 6: Final answer
    x = 311,039.81

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