Home / 819,689.14-1,229,599.31-251,115.31

Finding the Fourth Proportional to 819,689.14, 1,229,599.31 and 251,115.31

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Solution

The fourth proportional to 819,689.14, 1,229,599.31 and 251,115.31 is: 376,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,689.14 : 1,229,599.31 = 251,115.31 : x
  2. Step 2: Convert to fraction form
    819,689.14/1,229,599.31 = 251,115.31/x
  3. Step 3: Cross multiply
    819,689.14x = 1,229,599.31 × 251,115.31
  4. Step 4: Simplify right side
    819,689.14x = 308,771,211,906.44
  5. Step 5: Solve for x
    x = 308,771,211,906.44/819,689.14
  6. Step 6: Final answer
    x = 376,693.06

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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.