Home / 828,679.38-1,243,015.52-229,638.81

Finding the Fourth Proportional to 828,679.38, 1,243,015.52 and 229,638.81

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Solution

The fourth proportional to 828,679.38, 1,243,015.52 and 229,638.81 is: 344,457.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,679.38 : 1,243,015.52 = 229,638.81 : x
  2. Step 2: Convert to fraction form
    828,679.38/1,243,015.52 = 229,638.81/x
  3. Step 3: Cross multiply
    828,679.38x = 1,243,015.52 × 229,638.81
  4. Step 4: Simplify right side
    828,679.38x = 285,444,604,824.33
  5. Step 5: Solve for x
    x = 285,444,604,824.33/828,679.38
  6. Step 6: Final answer
    x = 344,457.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.