Home / 998,473.98-1,377,921.20-611,281.83

Finding the Fourth Proportional to 998,473.98, 1,377,921.20 and 611,281.83

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Solution

The fourth proportional to 998,473.98, 1,377,921.20 and 611,281.83 is: 843,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,473.98 : 1,377,921.20 = 611,281.83 : x
  2. Step 2: Convert to fraction form
    998,473.98/1,377,921.20 = 611,281.83/x
  3. Step 3: Cross multiply
    998,473.98x = 1,377,921.20 × 611,281.83
  4. Step 4: Simplify right side
    998,473.98x = 842,298,189,675.39
  5. Step 5: Solve for x
    x = 842,298,189,675.39/998,473.98
  6. Step 6: Final answer
    x = 843,585.52

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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.