Home / 998,619.22-1,378,350.84-616,426.39

Finding the Fourth Proportional to 998,619.22, 1,378,350.84 and 616,426.39

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Solution

The fourth proportional to 998,619.22, 1,378,350.84 and 616,426.39 is: 850,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,619.22 : 1,378,350.84 = 616,426.39 : x
  2. Step 2: Convert to fraction form
    998,619.22/1,378,350.84 = 616,426.39/x
  3. Step 3: Cross multiply
    998,619.22x = 1,378,350.84 × 616,426.39
  4. Step 4: Simplify right side
    998,619.22x = 849,651,832,454.67
  5. Step 5: Solve for x
    x = 849,651,832,454.67/998,619.22
  6. Step 6: Final answer
    x = 850,826.64

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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.