Home / 878,046.97-1,317,297.13-270,821.63

Finding the Fourth Proportional to 878,046.97, 1,317,297.13 and 270,821.63

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Solution

The fourth proportional to 878,046.97, 1,317,297.13 and 270,821.63 is: 406,302.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,046.97 : 1,317,297.13 = 270,821.63 : x
  2. Step 2: Convert to fraction form
    878,046.97/1,317,297.13 = 270,821.63/x
  3. Step 3: Cross multiply
    878,046.97x = 1,317,297.13 × 270,821.63
  4. Step 4: Simplify right side
    878,046.97x = 356,752,555,940.92
  5. Step 5: Solve for x
    x = 356,752,555,940.92/878,046.97
  6. Step 6: Final answer
    x = 406,302.36

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1.5x scale

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.