Home / 674,294.81-1,011,438.57-274,934.03

Finding the Fourth Proportional to 674,294.81, 1,011,438.57 and 274,934.03

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Solution

The fourth proportional to 674,294.81, 1,011,438.57 and 274,934.03 is: 412,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,294.81 : 1,011,438.57 = 274,934.03 : x
  2. Step 2: Convert to fraction form
    674,294.81/1,011,438.57 = 274,934.03/x
  3. Step 3: Cross multiply
    674,294.81x = 1,011,438.57 × 274,934.03
  4. Step 4: Simplify right side
    674,294.81x = 278,078,882,147.54
  5. Step 5: Solve for x
    x = 278,078,882,147.54/674,294.81
  6. Step 6: Final answer
    x = 412,399.56

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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.