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Finding the Fourth Proportional to 407,405.78, 562,211.52 and 226,107.08

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Solution

The fourth proportional to 407,405.78, 562,211.52 and 226,107.08 is: 312,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,405.78 : 562,211.52 = 226,107.08 : x
  2. Step 2: Convert to fraction form
    407,405.78/562,211.52 = 226,107.08/x
  3. Step 3: Cross multiply
    407,405.78x = 562,211.52 × 226,107.08
  4. Step 4: Simplify right side
    407,405.78x = 127,120,005,129.56
  5. Step 5: Solve for x
    x = 127,120,005,129.56/407,405.78
  6. Step 6: Final answer
    x = 312,023.08

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