Home / 808,834.40-1,213,251.60-798,336.80

Finding the Fourth Proportional to 808,834.40, 1,213,251.60 and 798,336.80

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Solution

The fourth proportional to 808,834.40, 1,213,251.60 and 798,336.80 is: 1,197,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,834.40 : 1,213,251.60 = 798,336.80 : x
  2. Step 2: Convert to fraction form
    808,834.40/1,213,251.60 = 798,336.80/x
  3. Step 3: Cross multiply
    808,834.40x = 1,213,251.60 × 798,336.80
  4. Step 4: Simplify right side
    808,834.40x = 968,583,399,938.88
  5. Step 5: Solve for x
    x = 968,583,399,938.88/808,834.40
  6. Step 6: Final answer
    x = 1,197,505.20

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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.