Home / 693,481.58-1,040,336.22-213,709.47

Finding the Fourth Proportional to 693,481.58, 1,040,336.22 and 213,709.47

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Solution

The fourth proportional to 693,481.58, 1,040,336.22 and 213,709.47 is: 320,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,481.58 : 1,040,336.22 = 213,709.47 : x
  2. Step 2: Convert to fraction form
    693,481.58/1,040,336.22 = 213,709.47/x
  3. Step 3: Cross multiply
    693,481.58x = 1,040,336.22 × 213,709.47
  4. Step 4: Simplify right side
    693,481.58x = 222,329,702,198.00
  5. Step 5: Solve for x
    x = 222,329,702,198.00/693,481.58
  6. Step 6: Final answer
    x = 320,599.29

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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.