Home / 674,837.20-1,012,644.60-254,414.80

Finding the Fourth Proportional to 674,837.20, 1,012,644.60 and 254,414.80

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Solution

The fourth proportional to 674,837.20, 1,012,644.60 and 254,414.80 is: 381,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,837.20 : 1,012,644.60 = 254,414.80 : x
  2. Step 2: Convert to fraction form
    674,837.20/1,012,644.60 = 254,414.80/x
  3. Step 3: Cross multiply
    674,837.20x = 1,012,644.60 × 254,414.80
  4. Step 4: Simplify right side
    674,837.20x = 257,631,773,380.08
  5. Step 5: Solve for x
    x = 257,631,773,380.08/674,837.20
  6. Step 6: Final answer
    x = 381,768.78

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1.5x scale

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.