Home / 998,591.25-1,378,055.94-545,882.25

Finding the Fourth Proportional to 998,591.25, 1,378,055.94 and 545,882.25

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Solution

The fourth proportional to 998,591.25, 1,378,055.94 and 545,882.25 is: 753,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,591.25 : 1,378,055.94 = 545,882.25 : x
  2. Step 2: Convert to fraction form
    998,591.25/1,378,055.94 = 545,882.25/x
  3. Step 3: Cross multiply
    998,591.25x = 1,378,055.94 × 545,882.25
  4. Step 4: Simplify right side
    998,591.25x = 752,256,277,153.07
  5. Step 5: Solve for x
    x = 752,256,277,153.07/998,591.25
  6. Step 6: Final answer
    x = 753,317.51

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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.