Home / 998,474.98-1,377,922.58-611,282.83

Finding the Fourth Proportional to 998,474.98, 1,377,922.58 and 611,282.83

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Solution

The fourth proportional to 998,474.98, 1,377,922.58 and 611,282.83 is: 843,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,474.98 : 1,377,922.58 = 611,282.83 : x
  2. Step 2: Convert to fraction form
    998,474.98/1,377,922.58 = 611,282.83/x
  3. Step 3: Cross multiply
    998,474.98x = 1,377,922.58 × 611,282.83
  4. Step 4: Simplify right side
    998,474.98x = 842,300,414,223.30
  5. Step 5: Solve for x
    x = 842,300,414,223.30/998,474.98
  6. Step 6: Final answer
    x = 843,586.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.