Home / 494,739.39-682,741.68-268,384.89

Finding the Fourth Proportional to 494,739.39, 682,741.68 and 268,384.89

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Solution

The fourth proportional to 494,739.39, 682,741.68 and 268,384.89 is: 370,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,739.39 : 682,741.68 = 268,384.89 : x
  2. Step 2: Convert to fraction form
    494,739.39/682,741.68 = 268,384.89/x
  3. Step 3: Cross multiply
    494,739.39x = 682,741.68 × 268,384.89
  4. Step 4: Simplify right side
    494,739.39x = 183,237,550,685.22
  5. Step 5: Solve for x
    x = 183,237,550,685.22/494,739.39
  6. Step 6: Final answer
    x = 370,371.87

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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.