Home / 998,280.45-1,377,871.83-568,813.86

Finding the Fourth Proportional to 998,280.45, 1,377,871.83 and 568,813.86

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Solution

The fourth proportional to 998,280.45, 1,377,871.83 and 568,813.86 is: 785,102.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,280.45 : 1,377,871.83 = 568,813.86 : x
  2. Step 2: Convert to fraction form
    998,280.45/1,377,871.83 = 568,813.86/x
  3. Step 3: Cross multiply
    998,280.45x = 1,377,871.83 × 568,813.86
  4. Step 4: Simplify right side
    998,280.45x = 783,752,594,207.56
  5. Step 5: Solve for x
    x = 783,752,594,207.56/998,280.45
  6. Step 6: Final answer
    x = 785,102.62

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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.