Home / 843,618.11-1,265,559.12-274,867.18

Finding the Fourth Proportional to 843,618.11, 1,265,559.12 and 274,867.18

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Solution

The fourth proportional to 843,618.11, 1,265,559.12 and 274,867.18 is: 412,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,618.11 : 1,265,559.12 = 274,867.18 : x
  2. Step 2: Convert to fraction form
    843,618.11/1,265,559.12 = 274,867.18/x
  3. Step 3: Cross multiply
    843,618.11x = 1,265,559.12 × 274,867.18
  4. Step 4: Simplify right side
    843,618.11x = 347,860,663,273.78
  5. Step 5: Solve for x
    x = 347,860,663,273.78/843,618.11
  6. Step 6: Final answer
    x = 412,343.76

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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.