Home / 998,522.52-1,498,157.94-518,450.64

Finding the Fourth Proportional to 998,522.52, 1,498,157.94 and 518,450.64

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Solution

The fourth proportional to 998,522.52, 1,498,157.94 and 518,450.64 is: 777,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,522.52 : 1,498,157.94 = 518,450.64 : x
  2. Step 2: Convert to fraction form
    998,522.52/1,498,157.94 = 518,450.64/x
  3. Step 3: Cross multiply
    998,522.52x = 1,498,157.94 × 518,450.64
  4. Step 4: Simplify right side
    998,522.52x = 776,720,942,814.08
  5. Step 5: Solve for x
    x = 776,720,942,814.08/998,522.52
  6. Step 6: Final answer
    x = 777,870.23

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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.