Home / 419,246.67-629,128.49-269,582.43

Finding the Fourth Proportional to 419,246.67, 629,128.49 and 269,582.43

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Solution

The fourth proportional to 419,246.67, 629,128.49 and 269,582.43 is: 404,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,246.67 : 629,128.49 = 269,582.43 : x
  2. Step 2: Convert to fraction form
    419,246.67/629,128.49 = 269,582.43/x
  3. Step 3: Cross multiply
    419,246.67x = 629,128.49 × 269,582.43
  4. Step 4: Simplify right side
    419,246.67x = 169,601,985,768.52
  5. Step 5: Solve for x
    x = 169,601,985,768.52/419,246.67
  6. Step 6: Final answer
    x = 404,539.85

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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.