Home / 494,500.12-682,406.76-268,145.64

Finding the Fourth Proportional to 494,500.12, 682,406.76 and 268,145.64

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Solution

The fourth proportional to 494,500.12, 682,406.76 and 268,145.64 is: 370,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,500.12 : 682,406.76 = 268,145.64 : x
  2. Step 2: Convert to fraction form
    494,500.12/682,406.76 = 268,145.64/x
  3. Step 3: Cross multiply
    494,500.12x = 682,406.76 × 268,145.64
  4. Step 4: Simplify right side
    494,500.12x = 182,984,397,400.53
  5. Step 5: Solve for x
    x = 182,984,397,400.53/494,500.12
  6. Step 6: Final answer
    x = 370,039.14

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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.