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Finding the Fourth Proportional to 500,487.78, 750,731.46 and 200,968.26

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Solution

The fourth proportional to 500,487.78, 750,731.46 and 200,968.26 is: 301,452.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,487.78 : 750,731.46 = 200,968.26 : x
  2. Step 2: Convert to fraction form
    500,487.78/750,731.46 = 200,968.26/x
  3. Step 3: Cross multiply
    500,487.78x = 750,731.46 × 200,968.26
  4. Step 4: Simplify right side
    500,487.78x = 150,873,195,243.46
  5. Step 5: Solve for x
    x = 150,873,195,243.46/500,487.78
  6. Step 6: Final answer
    x = 301,452.31

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1.5x scale

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.