Home / 437,582.20-655,061.10-259,997.80

Finding the Fourth Proportional to 437,582.20, 655,061.10 and 259,997.80

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Solution

The fourth proportional to 437,582.20, 655,061.10 and 259,997.80 is: 389,217.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,582.20 : 655,061.10 = 259,997.80 : x
  2. Step 2: Convert to fraction form
    437,582.20/655,061.10 = 259,997.80/x
  3. Step 3: Cross multiply
    437,582.20x = 655,061.10 × 259,997.80
  4. Step 4: Simplify right side
    437,582.20x = 170,314,444,865.58
  5. Step 5: Solve for x
    x = 170,314,444,865.58/437,582.20
  6. Step 6: Final answer
    x = 389,217.03

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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.