Home / 998,999.80-1,498,499.70-733,279.30

Finding the Fourth Proportional to 998,999.80, 1,498,499.70 and 733,279.30

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Solution

The fourth proportional to 998,999.80, 1,498,499.70 and 733,279.30 is: 1,099,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,999.80 : 1,498,499.70 = 733,279.30 : x
  2. Step 2: Convert to fraction form
    998,999.80/1,498,499.70 = 733,279.30/x
  3. Step 3: Cross multiply
    998,999.80x = 1,498,499.70 × 733,279.30
  4. Step 4: Simplify right side
    998,999.80x = 1,098,818,811,066.21
  5. Step 5: Solve for x
    x = 1,098,818,811,066.21/998,999.80
  6. Step 6: Final answer
    x = 1,099,918.95

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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.