Home / 998,712.80-1,498,069.20-368,079.20

Finding the Fourth Proportional to 998,712.80, 1,498,069.20 and 368,079.20

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Solution

The fourth proportional to 998,712.80, 1,498,069.20 and 368,079.20 is: 552,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,712.80 : 1,498,069.20 = 368,079.20 : x
  2. Step 2: Convert to fraction form
    998,712.80/1,498,069.20 = 368,079.20/x
  3. Step 3: Cross multiply
    998,712.80x = 1,498,069.20 × 368,079.20
  4. Step 4: Simplify right side
    998,712.80x = 551,408,112,680.64
  5. Step 5: Solve for x
    x = 551,408,112,680.64/998,712.80
  6. Step 6: Final answer
    x = 552,118.80

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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.