Home / 712,196.76-1,067,556.96-445,344.78

Finding the Fourth Proportional to 712,196.76, 1,067,556.96 and 445,344.78

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Solution

The fourth proportional to 712,196.76, 1,067,556.96 and 445,344.78 is: 667,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,196.76 : 1,067,556.96 = 445,344.78 : x
  2. Step 2: Convert to fraction form
    712,196.76/1,067,556.96 = 445,344.78/x
  3. Step 3: Cross multiply
    712,196.76x = 1,067,556.96 × 445,344.78
  4. Step 4: Simplify right side
    712,196.76x = 475,430,919,488.67
  5. Step 5: Solve for x
    x = 475,430,919,488.67/712,196.76
  6. Step 6: Final answer
    x = 667,555.58

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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.