Home / 902,920.40-1,354,380.60-804,942.80

Finding the Fourth Proportional to 902,920.40, 1,354,380.60 and 804,942.80

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Solution

The fourth proportional to 902,920.40, 1,354,380.60 and 804,942.80 is: 1,207,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,920.40 : 1,354,380.60 = 804,942.80 : x
  2. Step 2: Convert to fraction form
    902,920.40/1,354,380.60 = 804,942.80/x
  3. Step 3: Cross multiply
    902,920.40x = 1,354,380.60 × 804,942.80
  4. Step 4: Simplify right side
    902,920.40x = 1,090,198,912,429.68
  5. Step 5: Solve for x
    x = 1,090,198,912,429.68/902,920.40
  6. Step 6: Final answer
    x = 1,207,414.20

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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.