Home / 494,784.20-682,803.51-268,429.70

Finding the Fourth Proportional to 494,784.20, 682,803.51 and 268,429.70

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Solution

The fourth proportional to 494,784.20, 682,803.51 and 268,429.70 is: 370,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,784.20 : 682,803.51 = 268,429.70 : x
  2. Step 2: Convert to fraction form
    494,784.20/682,803.51 = 268,429.70/x
  3. Step 3: Cross multiply
    494,784.20x = 682,803.51 × 268,429.70
  4. Step 4: Simplify right side
    494,784.20x = 183,284,741,348.25
  5. Step 5: Solve for x
    x = 183,284,741,348.25/494,784.20
  6. Step 6: Final answer
    x = 370,433.70

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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.