Home / 998,743.70-1,498,115.55-288,794.90

Finding the Fourth Proportional to 998,743.70, 1,498,115.55 and 288,794.90

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Solution

The fourth proportional to 998,743.70, 1,498,115.55 and 288,794.90 is: 433,192.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,743.70 : 1,498,115.55 = 288,794.90 : x
  2. Step 2: Convert to fraction form
    998,743.70/1,498,115.55 = 288,794.90/x
  3. Step 3: Cross multiply
    998,743.70x = 1,498,115.55 × 288,794.90
  4. Step 4: Simplify right side
    998,743.70x = 432,648,130,450.70
  5. Step 5: Solve for x
    x = 432,648,130,450.70/998,743.70
  6. Step 6: Final answer
    x = 433,192.35

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Double scale
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Similar ratio
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1.5x scale

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.