Home / 843,615.73-1,265,555.56-274,864.80

Finding the Fourth Proportional to 843,615.73, 1,265,555.56 and 274,864.80

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Solution

The fourth proportional to 843,615.73, 1,265,555.56 and 274,864.80 is: 412,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,615.73 : 1,265,555.56 = 274,864.80 : x
  2. Step 2: Convert to fraction form
    843,615.73/1,265,555.56 = 274,864.80/x
  3. Step 3: Cross multiply
    843,615.73x = 1,265,555.56 × 274,864.80
  4. Step 4: Simplify right side
    843,615.73x = 347,856,675,888.29
  5. Step 5: Solve for x
    x = 347,856,675,888.29/843,615.73
  6. Step 6: Final answer
    x = 412,340.20

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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.