Home / 800,026.16-1,200,040.38-326,711.51

Finding the Fourth Proportional to 800,026.16, 1,200,040.38 and 326,711.51

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Solution

The fourth proportional to 800,026.16, 1,200,040.38 and 326,711.51 is: 490,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,026.16 : 1,200,040.38 = 326,711.51 : x
  2. Step 2: Convert to fraction form
    800,026.16/1,200,040.38 = 326,711.51/x
  3. Step 3: Cross multiply
    800,026.16x = 1,200,040.38 × 326,711.51
  4. Step 4: Simplify right side
    800,026.16x = 392,066,998,610.57
  5. Step 5: Solve for x
    x = 392,066,998,610.57/800,026.16
  6. Step 6: Final answer
    x = 490,067.73

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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.