Home / 683,198.40-1,025,104.80-309,028.80

Finding the Fourth Proportional to 683,198.40, 1,025,104.80 and 309,028.80

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Solution

The fourth proportional to 683,198.40, 1,025,104.80 and 309,028.80 is: 463,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,198.40 : 1,025,104.80 = 309,028.80 : x
  2. Step 2: Convert to fraction form
    683,198.40/1,025,104.80 = 309,028.80/x
  3. Step 3: Cross multiply
    683,198.40x = 1,025,104.80 × 309,028.80
  4. Step 4: Simplify right side
    683,198.40x = 316,786,906,218.24
  5. Step 5: Solve for x
    x = 316,786,906,218.24/683,198.40
  6. Step 6: Final answer
    x = 463,682.15

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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.