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Finding the Fourth Proportional to 406,439.01, 560,885.76 and 225,162.72

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Solution

The fourth proportional to 406,439.01, 560,885.76 and 225,162.72 is: 310,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,439.01 : 560,885.76 = 225,162.72 : x
  2. Step 2: Convert to fraction form
    406,439.01/560,885.76 = 225,162.72/x
  3. Step 3: Cross multiply
    406,439.01x = 560,885.76 × 225,162.72
  4. Step 4: Simplify right side
    406,439.01x = 126,290,563,330.87
  5. Step 5: Solve for x
    x = 126,290,563,330.87/406,439.01
  6. Step 6: Final answer
    x = 310,724.51

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