Home / 674,315.40-1,011,469.32-274,954.62

Finding the Fourth Proportional to 674,315.40, 1,011,469.32 and 274,954.62

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Solution

The fourth proportional to 674,315.40, 1,011,469.32 and 274,954.62 is: 412,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,315.40 : 1,011,469.32 = 274,954.62 : x
  2. Step 2: Convert to fraction form
    674,315.40/1,011,469.32 = 274,954.62/x
  3. Step 3: Cross multiply
    674,315.40x = 1,011,469.32 × 274,954.62
  4. Step 4: Simplify right side
    674,315.40x = 278,108,162,522.26
  5. Step 5: Solve for x
    x = 278,108,162,522.26/674,315.40
  6. Step 6: Final answer
    x = 412,430.39

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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.