Home / 686,023.44-1,029,386.04-326,600.52

Finding the Fourth Proportional to 686,023.44, 1,029,386.04 and 326,600.52

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Solution

The fourth proportional to 686,023.44, 1,029,386.04 and 326,600.52 is: 490,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,023.44 : 1,029,386.04 = 326,600.52 : x
  2. Step 2: Convert to fraction form
    686,023.44/1,029,386.04 = 326,600.52/x
  3. Step 3: Cross multiply
    686,023.44x = 1,029,386.04 × 326,600.52
  4. Step 4: Simplify right side
    686,023.44x = 336,198,015,944.74
  5. Step 5: Solve for x
    x = 336,198,015,944.74/686,023.44
  6. Step 6: Final answer
    x = 490,067.83

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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.