Home / 998,488.62-1,498,106.92-518,416.74

Finding the Fourth Proportional to 998,488.62, 1,498,106.92 and 518,416.74

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Solution

The fourth proportional to 998,488.62, 1,498,106.92 and 518,416.74 is: 777,819.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,488.62 : 1,498,106.92 = 518,416.74 : x
  2. Step 2: Convert to fraction form
    998,488.62/1,498,106.92 = 518,416.74/x
  3. Step 3: Cross multiply
    998,488.62x = 1,498,106.92 × 518,416.74
  4. Step 4: Simplify right side
    998,488.62x = 776,643,705,637.84
  5. Step 5: Solve for x
    x = 776,643,705,637.84/998,488.62
  6. Step 6: Final answer
    x = 777,819.29

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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.