Home / 494,342.42-682,227.51-279,484.52

Finding the Fourth Proportional to 494,342.42, 682,227.51 and 279,484.52

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Solution

The fourth proportional to 494,342.42, 682,227.51 and 279,484.52 is: 385,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,342.42 : 682,227.51 = 279,484.52 : x
  2. Step 2: Convert to fraction form
    494,342.42/682,227.51 = 279,484.52/x
  3. Step 3: Cross multiply
    494,342.42x = 682,227.51 × 279,484.52
  4. Step 4: Simplify right side
    494,342.42x = 190,672,028,163.15
  5. Step 5: Solve for x
    x = 190,672,028,163.15/494,342.42
  6. Step 6: Final answer
    x = 385,708.41

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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.