Home / 998,817.66-1,498,270.23-288,917.46

Finding the Fourth Proportional to 998,817.66, 1,498,270.23 and 288,917.46

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Solution

The fourth proportional to 998,817.66, 1,498,270.23 and 288,917.46 is: 433,388.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,817.66 : 1,498,270.23 = 288,917.46 : x
  2. Step 2: Convert to fraction form
    998,817.66/1,498,270.23 = 288,917.46/x
  3. Step 3: Cross multiply
    998,817.66x = 1,498,270.23 × 288,917.46
  4. Step 4: Simplify right side
    998,817.66x = 432,876,429,245.22
  5. Step 5: Solve for x
    x = 432,876,429,245.22/998,817.66
  6. Step 6: Final answer
    x = 433,388.84

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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.