Home / 494,816.12-682,846.26-279,951.56

Finding the Fourth Proportional to 494,816.12, 682,846.26 and 279,951.56

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Solution

The fourth proportional to 494,816.12, 682,846.26 and 279,951.56 is: 386,333.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,816.12 : 682,846.26 = 279,951.56 : x
  2. Step 2: Convert to fraction form
    494,816.12/682,846.26 = 279,951.56/x
  3. Step 3: Cross multiply
    494,816.12x = 682,846.26 × 279,951.56
  4. Step 4: Simplify right side
    494,816.12x = 191,163,875,727.17
  5. Step 5: Solve for x
    x = 191,163,875,727.17/494,816.12
  6. Step 6: Final answer
    x = 386,333.16

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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.