Home / 802,509.10-1,203,829.32-329,198.56

Finding the Fourth Proportional to 802,509.10, 1,203,829.32 and 329,198.56

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Solution

The fourth proportional to 802,509.10, 1,203,829.32 and 329,198.56 is: 493,824.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,509.10 : 1,203,829.32 = 329,198.56 : x
  2. Step 2: Convert to fraction form
    802,509.10/1,203,829.32 = 329,198.56/x
  3. Step 3: Cross multiply
    802,509.10x = 1,203,829.32 × 329,198.56
  4. Step 4: Simplify right side
    802,509.10x = 396,298,878,629.78
  5. Step 5: Solve for x
    x = 396,298,878,629.78/802,509.10
  6. Step 6: Final answer
    x = 493,824.78

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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.