Home / 646,490.97-968,752.29-309,067.85

Finding the Fourth Proportional to 646,490.97, 968,752.29 and 309,067.85

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Solution

The fourth proportional to 646,490.97, 968,752.29 and 309,067.85 is: 463,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,490.97 : 968,752.29 = 309,067.85 : x
  2. Step 2: Convert to fraction form
    646,490.97/968,752.29 = 309,067.85/x
  3. Step 3: Cross multiply
    646,490.97x = 968,752.29 × 309,067.85
  4. Step 4: Simplify right side
    646,490.97x = 299,410,187,452.88
  5. Step 5: Solve for x
    x = 299,410,187,452.88/646,490.97
  6. Step 6: Final answer
    x = 463,131.28

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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.