Home / 494,349.42-682,237.17-279,491.52

Finding the Fourth Proportional to 494,349.42, 682,237.17 and 279,491.52

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Solution

The fourth proportional to 494,349.42, 682,237.17 and 279,491.52 is: 385,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,349.42 : 682,237.17 = 279,491.52 : x
  2. Step 2: Convert to fraction form
    494,349.42/682,237.17 = 279,491.52/x
  3. Step 3: Cross multiply
    494,349.42x = 682,237.17 × 279,491.52
  4. Step 4: Simplify right side
    494,349.42x = 190,679,503,643.80
  5. Step 5: Solve for x
    x = 190,679,503,643.80/494,349.42
  6. Step 6: Final answer
    x = 385,718.07

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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.