Home / 494,239.98-682,124.04-312,968.46

Finding the Fourth Proportional to 494,239.98, 682,124.04 and 312,968.46

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Solution

The fourth proportional to 494,239.98, 682,124.04 and 312,968.46 is: 431,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,239.98 : 682,124.04 = 312,968.46 : x
  2. Step 2: Convert to fraction form
    494,239.98/682,124.04 = 312,968.46/x
  3. Step 3: Cross multiply
    494,239.98x = 682,124.04 × 312,968.46
  4. Step 4: Simplify right side
    494,239.98x = 213,483,310,327.78
  5. Step 5: Solve for x
    x = 213,483,310,327.78/494,239.98
  6. Step 6: Final answer
    x = 431,942.62

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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.