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Finding the Fourth Proportional to 580,244.28, 800,751.66 and 325,615.80

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Solution

The fourth proportional to 580,244.28, 800,751.66 and 325,615.80 is: 449,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,244.28 : 800,751.66 = 325,615.80 : x
  2. Step 2: Convert to fraction form
    580,244.28/800,751.66 = 325,615.80/x
  3. Step 3: Cross multiply
    580,244.28x = 800,751.66 × 325,615.80
  4. Step 4: Simplify right side
    580,244.28x = 260,737,392,372.23
  5. Step 5: Solve for x
    x = 260,737,392,372.23/580,244.28
  6. Step 6: Final answer
    x = 449,357.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.