Home / 778,512.60-1,167,550.20-246,196.80

Finding the Fourth Proportional to 778,512.60, 1,167,550.20 and 246,196.80

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Solution

The fourth proportional to 778,512.60, 1,167,550.20 and 246,196.80 is: 369,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,512.60 : 1,167,550.20 = 246,196.80 : x
  2. Step 2: Convert to fraction form
    778,512.60/1,167,550.20 = 246,196.80/x
  3. Step 3: Cross multiply
    778,512.60x = 1,167,550.20 × 246,196.80
  4. Step 4: Simplify right side
    778,512.60x = 287,447,123,079.36
  5. Step 5: Solve for x
    x = 287,447,123,079.36/778,512.60
  6. Step 6: Final answer
    x = 369,226.04

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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.