Home / 998,112.98-1,497,598.38-324,400.74

Finding the Fourth Proportional to 998,112.98, 1,497,598.38 and 324,400.74

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Solution

The fourth proportional to 998,112.98, 1,497,598.38 and 324,400.74 is: 486,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,112.98 : 1,497,598.38 = 324,400.74 : x
  2. Step 2: Convert to fraction form
    998,112.98/1,497,598.38 = 324,400.74/x
  3. Step 3: Cross multiply
    998,112.98x = 1,497,598.38 × 324,400.74
  4. Step 4: Simplify right side
    998,112.98x = 485,822,022,694.80
  5. Step 5: Solve for x
    x = 485,822,022,694.80/998,112.98
  6. Step 6: Final answer
    x = 486,740.51

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1.5x scale

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.