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Finding the Fourth Proportional to 465,485.92, 642,370.83 and 261,536.83

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Solution

The fourth proportional to 465,485.92, 642,370.83 and 261,536.83 is: 360,920.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,485.92 : 642,370.83 = 261,536.83 : x
  2. Step 2: Convert to fraction form
    465,485.92/642,370.83 = 261,536.83/x
  3. Step 3: Cross multiply
    465,485.92x = 642,370.83 × 261,536.83
  4. Step 4: Simplify right side
    465,485.92x = 168,003,630,562.67
  5. Step 5: Solve for x
    x = 168,003,630,562.67/465,485.92
  6. Step 6: Final answer
    x = 360,920.97

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