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Finding the Fourth Proportional to 454,149.40, 679,911.90 and 441,027.40

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Solution

The fourth proportional to 454,149.40, 679,911.90 and 441,027.40 is: 660,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,149.40 : 679,911.90 = 441,027.40 : x
  2. Step 2: Convert to fraction form
    454,149.40/679,911.90 = 441,027.40/x
  3. Step 3: Cross multiply
    454,149.40x = 679,911.90 × 441,027.40
  4. Step 4: Simplify right side
    454,149.40x = 299,859,777,486.06
  5. Step 5: Solve for x
    x = 299,859,777,486.06/454,149.40
  6. Step 6: Final answer
    x = 660,266.81

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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.