Home / 494,854.11-682,739.96-277,030.78

Finding the Fourth Proportional to 494,854.11, 682,739.96 and 277,030.78

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Solution

The fourth proportional to 494,854.11, 682,739.96 and 277,030.78 is: 382,213.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,854.11 : 682,739.96 = 277,030.78 : x
  2. Step 2: Convert to fraction form
    494,854.11/682,739.96 = 277,030.78/x
  3. Step 3: Cross multiply
    494,854.11x = 682,739.96 × 277,030.78
  4. Step 4: Simplify right side
    494,854.11x = 189,139,980,563.97
  5. Step 5: Solve for x
    x = 189,139,980,563.97/494,854.11
  6. Step 6: Final answer
    x = 382,213.62

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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.