Home / 727.45-1,090.27-336.92

Finding the Fourth Proportional to 727.45, 1,090.27 and 336.92

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Solution

The fourth proportional to 727.45, 1,090.27 and 336.92 is: 504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    727.45 : 1,090.27 = 336.92 : x
  2. Step 2: Convert to fraction form
    727.45/1,090.27 = 336.92/x
  3. Step 3: Cross multiply
    727.45x = 1,090.27 × 336.92
  4. Step 4: Simplify right side
    727.45x = 367,332.83
  5. Step 5: Solve for x
    x = 367,332.83/727.45
  6. Step 6: Final answer
    x = 504.96

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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.