Home / 674,309.70-1,011,464.55-274,744.80

Finding the Fourth Proportional to 674,309.70, 1,011,464.55 and 274,744.80

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Solution

The fourth proportional to 674,309.70, 1,011,464.55 and 274,744.80 is: 412,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,309.70 : 1,011,464.55 = 274,744.80 : x
  2. Step 2: Convert to fraction form
    674,309.70/1,011,464.55 = 274,744.80/x
  3. Step 3: Cross multiply
    674,309.70x = 1,011,464.55 × 274,744.80
  4. Step 4: Simplify right side
    674,309.70x = 277,894,625,496.84
  5. Step 5: Solve for x
    x = 277,894,625,496.84/674,309.70
  6. Step 6: Final answer
    x = 412,117.20

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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.