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Finding the Fourth Proportional to 580,225.68, 800,709.30 and 325,576.26

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Solution

The fourth proportional to 580,225.68, 800,709.30 and 325,576.26 is: 449,294.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,225.68 : 800,709.30 = 325,576.26 : x
  2. Step 2: Convert to fraction form
    580,225.68/800,709.30 = 325,576.26/x
  3. Step 3: Cross multiply
    580,225.68x = 800,709.30 × 325,576.26
  4. Step 4: Simplify right side
    580,225.68x = 260,691,939,241.22
  5. Step 5: Solve for x
    x = 260,691,939,241.22/580,225.68
  6. Step 6: Final answer
    x = 449,294.04

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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.