Home / 820,033.64-1,230,046.62-259,067.24

Finding the Fourth Proportional to 820,033.64, 1,230,046.62 and 259,067.24

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Solution

The fourth proportional to 820,033.64, 1,230,046.62 and 259,067.24 is: 388,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,033.64 : 1,230,046.62 = 259,067.24 : x
  2. Step 2: Convert to fraction form
    820,033.64/1,230,046.62 = 259,067.24/x
  3. Step 3: Cross multiply
    820,033.64x = 1,230,046.62 × 259,067.24
  4. Step 4: Simplify right side
    820,033.64x = 318,664,782,914.73
  5. Step 5: Solve for x
    x = 318,664,782,914.73/820,033.64
  6. Step 6: Final answer
    x = 388,599.65

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1.5x scale

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.