Home / 494,284.66-682,142.24-279,444.71

Finding the Fourth Proportional to 494,284.66, 682,142.24 and 279,444.71

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Solution

The fourth proportional to 494,284.66, 682,142.24 and 279,444.71 is: 385,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,284.66 : 682,142.24 = 279,444.71 : x
  2. Step 2: Convert to fraction form
    494,284.66/682,142.24 = 279,444.71/x
  3. Step 3: Cross multiply
    494,284.66x = 682,142.24 × 279,444.71
  4. Step 4: Simplify right side
    494,284.66x = 190,621,042,839.52
  5. Step 5: Solve for x
    x = 190,621,042,839.52/494,284.66
  6. Step 6: Final answer
    x = 385,650.33

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Double scale
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Similar ratio
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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.