Home / 998,701.80-1,498,052.70-368,068.20

Finding the Fourth Proportional to 998,701.80, 1,498,052.70 and 368,068.20

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Solution

The fourth proportional to 998,701.80, 1,498,052.70 and 368,068.20 is: 552,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,701.80 : 1,498,052.70 = 368,068.20 : x
  2. Step 2: Convert to fraction form
    998,701.80/1,498,052.70 = 368,068.20/x
  3. Step 3: Cross multiply
    998,701.80x = 1,498,052.70 × 368,068.20
  4. Step 4: Simplify right side
    998,701.80x = 551,385,560,794.14
  5. Step 5: Solve for x
    x = 551,385,560,794.14/998,701.80
  6. Step 6: Final answer
    x = 552,102.30

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Double scale
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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.