Home / 728,797.12-1,092,168.08-344,135.56

Finding the Fourth Proportional to 728,797.12, 1,092,168.08 and 344,135.56

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Solution

The fourth proportional to 728,797.12, 1,092,168.08 and 344,135.56 is: 515,718.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,797.12 : 1,092,168.08 = 344,135.56 : x
  2. Step 2: Convert to fraction form
    728,797.12/1,092,168.08 = 344,135.56/x
  3. Step 3: Cross multiply
    728,797.12x = 1,092,168.08 × 344,135.56
  4. Step 4: Simplify right side
    728,797.12x = 375,853,873,824.93
  5. Step 5: Solve for x
    x = 375,853,873,824.93/728,797.12
  6. Step 6: Final answer
    x = 515,718.11

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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.