Home / 998,696.52-1,378,200.96-545,987.52

Finding the Fourth Proportional to 998,696.52, 1,378,200.96 and 545,987.52

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Solution

The fourth proportional to 998,696.52, 1,378,200.96 and 545,987.52 is: 753,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,696.52 : 1,378,200.96 = 545,987.52 : x
  2. Step 2: Convert to fraction form
    998,696.52/1,378,200.96 = 545,987.52/x
  3. Step 3: Cross multiply
    998,696.52x = 1,378,200.96 × 545,987.52
  4. Step 4: Simplify right side
    998,696.52x = 752,480,524,212.02
  5. Step 5: Solve for x
    x = 752,480,524,212.02/998,696.52
  6. Step 6: Final answer
    x = 753,462.65

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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.