Home / 780,352.32-1,170,297.60-331,067.52

Finding the Fourth Proportional to 780,352.32, 1,170,297.60 and 331,067.52

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Solution

The fourth proportional to 780,352.32, 1,170,297.60 and 331,067.52 is: 496,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,352.32 : 1,170,297.60 = 331,067.52 : x
  2. Step 2: Convert to fraction form
    780,352.32/1,170,297.60 = 331,067.52/x
  3. Step 3: Cross multiply
    780,352.32x = 1,170,297.60 × 331,067.52
  4. Step 4: Simplify right side
    780,352.32x = 387,447,524,093.95
  5. Step 5: Solve for x
    x = 387,447,524,093.95/780,352.32
  6. Step 6: Final answer
    x = 496,503.33

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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.