Home / 494,739.61-682,741.96-268,385.11

Finding the Fourth Proportional to 494,739.61, 682,741.96 and 268,385.11

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Solution

The fourth proportional to 494,739.61, 682,741.96 and 268,385.11 is: 370,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,739.61 : 682,741.96 = 268,385.11 : x
  2. Step 2: Convert to fraction form
    494,739.61/682,741.96 = 268,385.11/x
  3. Step 3: Cross multiply
    494,739.61x = 682,741.96 × 268,385.11
  4. Step 4: Simplify right side
    494,739.61x = 183,237,773,658.40
  5. Step 5: Solve for x
    x = 183,237,773,658.40/494,739.61
  6. Step 6: Final answer
    x = 370,372.15

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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.