Home / 494,734.65-682,721.24-276,945.90

Finding the Fourth Proportional to 494,734.65, 682,721.24 and 276,945.90

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Solution

The fourth proportional to 494,734.65, 682,721.24 and 276,945.90 is: 382,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,734.65 : 682,721.24 = 276,945.90 : x
  2. Step 2: Convert to fraction form
    494,734.65/682,721.24 = 276,945.90/x
  3. Step 3: Cross multiply
    494,734.65x = 682,721.24 × 276,945.90
  4. Step 4: Simplify right side
    494,734.65x = 189,076,846,876.19
  5. Step 5: Solve for x
    x = 189,076,846,876.19/494,734.65
  6. Step 6: Final answer
    x = 382,178.30

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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.