Home / 585,499.97-807,979.44-330,845.69

Finding the Fourth Proportional to 585,499.97, 807,979.44 and 330,845.69

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Solution

The fourth proportional to 585,499.97, 807,979.44 and 330,845.69 is: 456,561.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,499.97 : 807,979.44 = 330,845.69 : x
  2. Step 2: Convert to fraction form
    585,499.97/807,979.44 = 330,845.69/x
  3. Step 3: Cross multiply
    585,499.97x = 807,979.44 × 330,845.69
  4. Step 4: Simplify right side
    585,499.97x = 267,316,511,292.72
  5. Step 5: Solve for x
    x = 267,316,511,292.72/585,499.97
  6. Step 6: Final answer
    x = 456,561.11

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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.