Home / 725,326.71-1,000,930.97-403,028.52

Finding the Fourth Proportional to 725,326.71, 1,000,930.97 and 403,028.52

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Solution

The fourth proportional to 725,326.71, 1,000,930.97 and 403,028.52 is: 556,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,326.71 : 1,000,930.97 = 403,028.52 : x
  2. Step 2: Convert to fraction form
    725,326.71/1,000,930.97 = 403,028.52/x
  3. Step 3: Cross multiply
    725,326.71x = 1,000,930.97 × 403,028.52
  4. Step 4: Simplify right side
    725,326.71x = 403,403,725,446.12
  5. Step 5: Solve for x
    x = 403,403,725,446.12/725,326.71
  6. Step 6: Final answer
    x = 556,168.30

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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.