Home / 494,440.32-682,342.08-279,575.84

Finding the Fourth Proportional to 494,440.32, 682,342.08 and 279,575.84

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Solution

The fourth proportional to 494,440.32, 682,342.08 and 279,575.84 is: 385,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,440.32 : 682,342.08 = 279,575.84 : x
  2. Step 2: Convert to fraction form
    494,440.32/682,342.08 = 279,575.84/x
  3. Step 3: Cross multiply
    494,440.32x = 682,342.08 × 279,575.84
  4. Step 4: Simplify right side
    494,440.32x = 190,766,360,183.35
  5. Step 5: Solve for x
    x = 190,766,360,183.35/494,440.32
  6. Step 6: Final answer
    x = 385,822.82

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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.