Home / 494,850.72-682,875.68-268,491.36

Finding the Fourth Proportional to 494,850.72, 682,875.68 and 268,491.36

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Solution

The fourth proportional to 494,850.72, 682,875.68 and 268,491.36 is: 370,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,850.72 : 682,875.68 = 268,491.36 : x
  2. Step 2: Convert to fraction form
    494,850.72/682,875.68 = 268,491.36/x
  3. Step 3: Cross multiply
    494,850.72x = 682,875.68 × 268,491.36
  4. Step 4: Simplify right side
    494,850.72x = 183,346,220,034.13
  5. Step 5: Solve for x
    x = 183,346,220,034.13/494,850.72
  6. Step 6: Final answer
    x = 370,508.14

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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.