Home / 494,405.48-682,280.34-268,051.56

Finding the Fourth Proportional to 494,405.48, 682,280.34 and 268,051.56

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Solution

The fourth proportional to 494,405.48, 682,280.34 and 268,051.56 is: 369,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,405.48 : 682,280.34 = 268,051.56 : x
  2. Step 2: Convert to fraction form
    494,405.48/682,280.34 = 268,051.56/x
  3. Step 3: Cross multiply
    494,405.48x = 682,280.34 × 268,051.56
  4. Step 4: Simplify right side
    494,405.48x = 182,886,309,494.33
  5. Step 5: Solve for x
    x = 182,886,309,494.33/494,405.48
  6. Step 6: Final answer
    x = 369,911.57

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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.