Home / 851,621.54-1,175,198.19-488,790.04

Finding the Fourth Proportional to 851,621.54, 1,175,198.19 and 488,790.04

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Solution

The fourth proportional to 851,621.54, 1,175,198.19 and 488,790.04 is: 674,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,621.54 : 1,175,198.19 = 488,790.04 : x
  2. Step 2: Convert to fraction form
    851,621.54/1,175,198.19 = 488,790.04/x
  3. Step 3: Cross multiply
    851,621.54x = 1,175,198.19 × 488,790.04
  4. Step 4: Simplify right side
    851,621.54x = 574,425,170,298.03
  5. Step 5: Solve for x
    x = 574,425,170,298.03/851,621.54
  6. Step 6: Final answer
    x = 674,507.56

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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.