Home / 798,820.89-1,198,241.92-266,342.09

Finding the Fourth Proportional to 798,820.89, 1,198,241.92 and 266,342.09

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Solution

The fourth proportional to 798,820.89, 1,198,241.92 and 266,342.09 is: 399,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,820.89 : 1,198,241.92 = 266,342.09 : x
  2. Step 2: Convert to fraction form
    798,820.89/1,198,241.92 = 266,342.09/x
  3. Step 3: Cross multiply
    798,820.89x = 1,198,241.92 × 266,342.09
  4. Step 4: Simplify right side
    798,820.89x = 319,142,253,699.72
  5. Step 5: Solve for x
    x = 319,142,253,699.72/798,820.89
  6. Step 6: Final answer
    x = 399,516.66

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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.