Home / 998,790.84-1,498,328.46-324,655.38

Finding the Fourth Proportional to 998,790.84, 1,498,328.46 and 324,655.38

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Solution

The fourth proportional to 998,790.84, 1,498,328.46 and 324,655.38 is: 487,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,790.84 : 1,498,328.46 = 324,655.38 : x
  2. Step 2: Convert to fraction form
    998,790.84/1,498,328.46 = 324,655.38/x
  3. Step 3: Cross multiply
    998,790.84x = 1,498,328.46 × 324,655.38
  4. Step 4: Simplify right side
    998,790.84x = 486,440,395,546.12
  5. Step 5: Solve for x
    x = 486,440,395,546.12/998,790.84
  6. Step 6: Final answer
    x = 487,029.29

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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.