Home / 494,408.68-682,285.46-268,054.28

Finding the Fourth Proportional to 494,408.68, 682,285.46 and 268,054.28

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Solution

The fourth proportional to 494,408.68, 682,285.46 and 268,054.28 is: 369,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,408.68 : 682,285.46 = 268,054.28 : x
  2. Step 2: Convert to fraction form
    494,408.68/682,285.46 = 268,054.28/x
  3. Step 3: Cross multiply
    494,408.68x = 682,285.46 × 268,054.28
  4. Step 4: Simplify right side
    494,408.68x = 182,889,537,734.77
  5. Step 5: Solve for x
    x = 182,889,537,734.77/494,408.68
  6. Step 6: Final answer
    x = 369,915.71

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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.