Home / 728,212.55-1,092,317.22-195,733.56

Finding the Fourth Proportional to 728,212.55, 1,092,317.22 and 195,733.56

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Solution

The fourth proportional to 728,212.55, 1,092,317.22 and 195,733.56 is: 293,599.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,212.55 : 1,092,317.22 = 195,733.56 : x
  2. Step 2: Convert to fraction form
    728,212.55/1,092,317.22 = 195,733.56/x
  3. Step 3: Cross multiply
    728,212.55x = 1,092,317.22 × 195,733.56
  4. Step 4: Simplify right side
    728,212.55x = 213,803,138,119.90
  5. Step 5: Solve for x
    x = 213,803,138,119.90/728,212.55
  6. Step 6: Final answer
    x = 293,599.91

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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.