Home / 674,315.66-1,011,473.49-274,987.58

Finding the Fourth Proportional to 674,315.66, 1,011,473.49 and 274,987.58

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Solution

The fourth proportional to 674,315.66, 1,011,473.49 and 274,987.58 is: 412,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,315.66 : 1,011,473.49 = 274,987.58 : x
  2. Step 2: Convert to fraction form
    674,315.66/1,011,473.49 = 274,987.58/x
  3. Step 3: Cross multiply
    674,315.66x = 1,011,473.49 × 274,987.58
  4. Step 4: Simplify right side
    674,315.66x = 278,142,648,912.63
  5. Step 5: Solve for x
    x = 278,142,648,912.63/674,315.66
  6. Step 6: Final answer
    x = 412,481.37

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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.