Home / 851,578.91-1,175,125.20-488,747.37

Finding the Fourth Proportional to 851,578.91, 1,175,125.20 and 488,747.37

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Solution

The fourth proportional to 851,578.91, 1,175,125.20 and 488,747.37 is: 674,440.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,578.91 : 1,175,125.20 = 488,747.37 : x
  2. Step 2: Convert to fraction form
    851,578.91/1,175,125.20 = 488,747.37/x
  3. Step 3: Cross multiply
    851,578.91x = 1,175,125.20 × 488,747.37
  4. Step 4: Simplify right side
    851,578.91x = 574,339,350,920.72
  5. Step 5: Solve for x
    x = 574,339,350,920.72/851,578.91
  6. Step 6: Final answer
    x = 674,440.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.