Home / 494,798.07-682,824.29-279,983.04

Finding the Fourth Proportional to 494,798.07, 682,824.29 and 279,983.04

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Solution

The fourth proportional to 494,798.07, 682,824.29 and 279,983.04 is: 386,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,798.07 : 682,824.29 = 279,983.04 : x
  2. Step 2: Convert to fraction form
    494,798.07/682,824.29 = 279,983.04/x
  3. Step 3: Cross multiply
    494,798.07x = 682,824.29 × 279,983.04
  4. Step 4: Simplify right side
    494,798.07x = 191,179,220,500.04
  5. Step 5: Solve for x
    x = 191,179,220,500.04/494,798.07
  6. Step 6: Final answer
    x = 386,378.27

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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.