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Finding the Fourth Proportional to 800,793.60, 1,200,898.80 and 401,301.60

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Solution

The fourth proportional to 800,793.60, 1,200,898.80 and 401,301.60 is: 601,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,793.60 : 1,200,898.80 = 401,301.60 : x
  2. Step 2: Convert to fraction form
    800,793.60/1,200,898.80 = 401,301.60/x
  3. Step 3: Cross multiply
    800,793.60x = 1,200,898.80 × 401,301.60
  4. Step 4: Simplify right side
    800,793.60x = 481,922,609,878.08
  5. Step 5: Solve for x
    x = 481,922,609,878.08/800,793.60
  6. Step 6: Final answer
    x = 601,806.27

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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.