Home / 998,110.70-1,497,166.05-548,657.90

Finding the Fourth Proportional to 998,110.70, 1,497,166.05 and 548,657.90

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Solution

The fourth proportional to 998,110.70, 1,497,166.05 and 548,657.90 is: 822,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,110.70 : 1,497,166.05 = 548,657.90 : x
  2. Step 2: Convert to fraction form
    998,110.70/1,497,166.05 = 548,657.90/x
  3. Step 3: Cross multiply
    998,110.70x = 1,497,166.05 × 548,657.90
  4. Step 4: Simplify right side
    998,110.70x = 821,431,980,944.30
  5. Step 5: Solve for x
    x = 821,431,980,944.30/998,110.70
  6. Step 6: Final answer
    x = 822,986.85

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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.