Home / 494,739.82-682,742.27-268,385.32

Finding the Fourth Proportional to 494,739.82, 682,742.27 and 268,385.32

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Solution

The fourth proportional to 494,739.82, 682,742.27 and 268,385.32 is: 370,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,739.82 : 682,742.27 = 268,385.32 : x
  2. Step 2: Convert to fraction form
    494,739.82/682,742.27 = 268,385.32/x
  3. Step 3: Cross multiply
    494,739.82x = 682,742.27 × 268,385.32
  4. Step 4: Simplify right side
    494,739.82x = 183,237,999,562.69
  5. Step 5: Solve for x
    x = 183,237,999,562.69/494,739.82
  6. Step 6: Final answer
    x = 370,372.45

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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.