Home / 756,331-1,043,736.78-416,799.25

Finding the Fourth Proportional to 756,331, 1,043,736.78 and 416,799.25

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Solution

The fourth proportional to 756,331, 1,043,736.78 and 416,799.25 is: 575,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,331 : 1,043,736.78 = 416,799.25 : x
  2. Step 2: Convert to fraction form
    756,331/1,043,736.78 = 416,799.25/x
  3. Step 3: Cross multiply
    756,331x = 1,043,736.78 × 416,799.25
  4. Step 4: Simplify right side
    756,331x = 435,028,707,101.42
  5. Step 5: Solve for x
    x = 435,028,707,101.42/756,331
  6. Step 6: Final answer
    x = 575,182.97

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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.