Home / 646,834.80-969,906.60-272,434.80

Finding the Fourth Proportional to 646,834.80, 969,906.60 and 272,434.80

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Solution

The fourth proportional to 646,834.80, 969,906.60 and 272,434.80 is: 408,506.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,834.80 : 969,906.60 = 272,434.80 : x
  2. Step 2: Convert to fraction form
    646,834.80/969,906.60 = 272,434.80/x
  3. Step 3: Cross multiply
    646,834.80x = 969,906.60 × 272,434.80
  4. Step 4: Simplify right side
    646,834.80x = 264,236,310,589.68
  5. Step 5: Solve for x
    x = 264,236,310,589.68/646,834.80
  6. Step 6: Final answer
    x = 408,506.64

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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.