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Finding the Fourth Proportional to 326,586.83, 489,879.72 and 214,240.28

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Solution

The fourth proportional to 326,586.83, 489,879.72 and 214,240.28 is: 321,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,586.83 : 489,879.72 = 214,240.28 : x
  2. Step 2: Convert to fraction form
    326,586.83/489,879.72 = 214,240.28/x
  3. Step 3: Cross multiply
    326,586.83x = 489,879.72 × 214,240.28
  4. Step 4: Simplify right side
    326,586.83x = 104,951,965,929.72
  5. Step 5: Solve for x
    x = 104,951,965,929.72/326,586.83
  6. Step 6: Final answer
    x = 321,360.07

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