Home / 494,504.27-682,503.26-290,555.15

Finding the Fourth Proportional to 494,504.27, 682,503.26 and 290,555.15

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Solution

The fourth proportional to 494,504.27, 682,503.26 and 290,555.15 is: 401,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,504.27 : 682,503.26 = 290,555.15 : x
  2. Step 2: Convert to fraction form
    494,504.27/682,503.26 = 290,555.15/x
  3. Step 3: Cross multiply
    494,504.27x = 682,503.26 × 290,555.15
  4. Step 4: Simplify right side
    494,504.27x = 198,304,833,672.27
  5. Step 5: Solve for x
    x = 198,304,833,672.27/494,504.27
  6. Step 6: Final answer
    x = 401,017.44

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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.