Home / 800,035.91-1,200,055.04-326,721.29

Finding the Fourth Proportional to 800,035.91, 1,200,055.04 and 326,721.29

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Solution

The fourth proportional to 800,035.91, 1,200,055.04 and 326,721.29 is: 490,082.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,035.91 : 1,200,055.04 = 326,721.29 : x
  2. Step 2: Convert to fraction form
    800,035.91/1,200,055.04 = 326,721.29/x
  3. Step 3: Cross multiply
    800,035.91x = 1,200,055.04 × 326,721.29
  4. Step 4: Simplify right side
    800,035.91x = 392,083,523,105.92
  5. Step 5: Solve for x
    x = 392,083,523,105.92/800,035.91
  6. Step 6: Final answer
    x = 490,082.41

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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.