Home / 401,920.41-603,172.23-323,975.73

Finding the Fourth Proportional to 401,920.41, 603,172.23 and 323,975.73

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Solution

The fourth proportional to 401,920.41, 603,172.23 and 323,975.73 is: 486,198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,920.41 : 603,172.23 = 323,975.73 : x
  2. Step 2: Convert to fraction form
    401,920.41/603,172.23 = 323,975.73/x
  3. Step 3: Cross multiply
    401,920.41x = 603,172.23 × 323,975.73
  4. Step 4: Simplify right side
    401,920.41x = 195,413,160,514.12
  5. Step 5: Solve for x
    x = 195,413,160,514.12/401,920.41
  6. Step 6: Final answer
    x = 486,198.66

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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.