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Finding the Fourth Proportional to 406,442.56, 610,042.08 and 206,912.32

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Solution

The fourth proportional to 406,442.56, 610,042.08 and 206,912.32 is: 310,561.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,442.56 : 610,042.08 = 206,912.32 : x
  2. Step 2: Convert to fraction form
    406,442.56/610,042.08 = 206,912.32/x
  3. Step 3: Cross multiply
    406,442.56x = 610,042.08 × 206,912.32
  4. Step 4: Simplify right side
    406,442.56x = 126,225,222,070.43
  5. Step 5: Solve for x
    x = 126,225,222,070.43/406,442.56
  6. Step 6: Final answer
    x = 310,561.03

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