Home / 454,968.90-682,125.30-297,286.20

Finding the Fourth Proportional to 454,968.90, 682,125.30 and 297,286.20

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Solution

The fourth proportional to 454,968.90, 682,125.30 and 297,286.20 is: 445,714.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,968.90 : 682,125.30 = 297,286.20 : x
  2. Step 2: Convert to fraction form
    454,968.90/682,125.30 = 297,286.20/x
  3. Step 3: Cross multiply
    454,968.90x = 682,125.30 × 297,286.20
  4. Step 4: Simplify right side
    454,968.90x = 202,786,438,360.86
  5. Step 5: Solve for x
    x = 202,786,438,360.86/454,968.90
  6. Step 6: Final answer
    x = 445,714.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.