Home / 494,371.23-682,250.67-279,498.48

Finding the Fourth Proportional to 494,371.23, 682,250.67 and 279,498.48

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Solution

The fourth proportional to 494,371.23, 682,250.67 and 279,498.48 is: 385,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,371.23 : 682,250.67 = 279,498.48 : x
  2. Step 2: Convert to fraction form
    494,371.23/682,250.67 = 279,498.48/x
  3. Step 3: Cross multiply
    494,371.23x = 682,250.67 × 279,498.48
  4. Step 4: Simplify right side
    494,371.23x = 190,688,025,243.98
  5. Step 5: Solve for x
    x = 190,688,025,243.98/494,371.23
  6. Step 6: Final answer
    x = 385,718.29

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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.