Home / 728,808.26-1,092,184.77-344,146.69

Finding the Fourth Proportional to 728,808.26, 1,092,184.77 and 344,146.69

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Solution

The fourth proportional to 728,808.26, 1,092,184.77 and 344,146.69 is: 515,734.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,808.26 : 1,092,184.77 = 344,146.69 : x
  2. Step 2: Convert to fraction form
    728,808.26/1,092,184.77 = 344,146.69/x
  3. Step 3: Cross multiply
    728,808.26x = 1,092,184.77 × 344,146.69
  4. Step 4: Simplify right side
    728,808.26x = 375,871,773,463.91
  5. Step 5: Solve for x
    x = 375,871,773,463.91/728,808.26
  6. Step 6: Final answer
    x = 515,734.79

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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.