Home / 998,326-1,377,689.82-545,617

Finding the Fourth Proportional to 998,326, 1,377,689.82 and 545,617

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Solution

The fourth proportional to 998,326, 1,377,689.82 and 545,617 is: 752,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,326 : 1,377,689.82 = 545,617 : x
  2. Step 2: Convert to fraction form
    998,326/1,377,689.82 = 545,617/x
  3. Step 3: Cross multiply
    998,326x = 1,377,689.82 × 545,617
  4. Step 4: Simplify right side
    998,326x = 751,690,986,518.94
  5. Step 5: Solve for x
    x = 751,690,986,518.94/998,326
  6. Step 6: Final answer
    x = 752,951.43

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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.