Home / 856,484.20-1,284,623.70-225,447.76

Finding the Fourth Proportional to 856,484.20, 1,284,623.70 and 225,447.76

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Solution

The fourth proportional to 856,484.20, 1,284,623.70 and 225,447.76 is: 338,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,484.20 : 1,284,623.70 = 225,447.76 : x
  2. Step 2: Convert to fraction form
    856,484.20/1,284,623.70 = 225,447.76/x
  3. Step 3: Cross multiply
    856,484.20x = 1,284,623.70 × 225,447.76
  4. Step 4: Simplify right side
    856,484.20x = 289,615,535,607.91
  5. Step 5: Solve for x
    x = 289,615,535,607.91/856,484.20
  6. Step 6: Final answer
    x = 338,144.63

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