Home / 778,538.10-1,167,843.60-246,100.80

Finding the Fourth Proportional to 778,538.10, 1,167,843.60 and 246,100.80

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Solution

The fourth proportional to 778,538.10, 1,167,843.60 and 246,100.80 is: 369,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,538.10 : 1,167,843.60 = 246,100.80 : x
  2. Step 2: Convert to fraction form
    778,538.10/1,167,843.60 = 246,100.80/x
  3. Step 3: Cross multiply
    778,538.10x = 1,167,843.60 × 246,100.80
  4. Step 4: Simplify right side
    778,538.10x = 287,407,244,234.88
  5. Step 5: Solve for x
    x = 287,407,244,234.88/778,538.10
  6. Step 6: Final answer
    x = 369,162.72

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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.