Home / 843,616.23-1,265,556.31-274,865.30

Finding the Fourth Proportional to 843,616.23, 1,265,556.31 and 274,865.30

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Solution

The fourth proportional to 843,616.23, 1,265,556.31 and 274,865.30 is: 412,340.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,616.23 : 1,265,556.31 = 274,865.30 : x
  2. Step 2: Convert to fraction form
    843,616.23/1,265,556.31 = 274,865.30/x
  3. Step 3: Cross multiply
    843,616.23x = 1,265,556.31 × 274,865.30
  4. Step 4: Simplify right side
    843,616.23x = 347,857,517,291.77
  5. Step 5: Solve for x
    x = 347,857,517,291.77/843,616.23
  6. Step 6: Final answer
    x = 412,340.95

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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.