Home / 778,582.80-1,167,874.20-441,493.20

Finding the Fourth Proportional to 778,582.80, 1,167,874.20 and 441,493.20

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Solution

The fourth proportional to 778,582.80, 1,167,874.20 and 441,493.20 is: 662,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,582.80 : 1,167,874.20 = 441,493.20 : x
  2. Step 2: Convert to fraction form
    778,582.80/1,167,874.20 = 441,493.20/x
  3. Step 3: Cross multiply
    778,582.80x = 1,167,874.20 × 441,493.20
  4. Step 4: Simplify right side
    778,582.80x = 515,608,517,755.44
  5. Step 5: Solve for x
    x = 515,608,517,755.44/778,582.80
  6. Step 6: Final answer
    x = 662,239.80

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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.