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Finding the Fourth Proportional to 494,775, 682,783.02 and 268,428.60

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Solution

The fourth proportional to 494,775, 682,783.02 and 268,428.60 is: 370,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,775 : 682,783.02 = 268,428.60 : x
  2. Step 2: Convert to fraction form
    494,775/682,783.02 = 268,428.60/x
  3. Step 3: Cross multiply
    494,775x = 682,783.02 × 268,428.60
  4. Step 4: Simplify right side
    494,775x = 183,278,490,162.37
  5. Step 5: Solve for x
    x = 183,278,490,162.37/494,775
  6. Step 6: Final answer
    x = 370,427.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.