Home / 674,869.20-1,012,692.60-254,446.80

Finding the Fourth Proportional to 674,869.20, 1,012,692.60 and 254,446.80

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Solution

The fourth proportional to 674,869.20, 1,012,692.60 and 254,446.80 is: 381,816.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,869.20 : 1,012,692.60 = 254,446.80 : x
  2. Step 2: Convert to fraction form
    674,869.20/1,012,692.60 = 254,446.80/x
  3. Step 3: Cross multiply
    674,869.20x = 1,012,692.60 × 254,446.80
  4. Step 4: Simplify right side
    674,869.20x = 257,676,391,453.68
  5. Step 5: Solve for x
    x = 257,676,391,453.68/674,869.20
  6. Step 6: Final answer
    x = 381,816.79

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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.