Home / 727.10-1,088.72-496.46

Finding the Fourth Proportional to 727.10, 1,088.72 and 496.46

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Solution

The fourth proportional to 727.10, 1,088.72 and 496.46 is: 743.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    727.10 : 1,088.72 = 496.46 : x
  2. Step 2: Convert to fraction form
    727.10/1,088.72 = 496.46/x
  3. Step 3: Cross multiply
    727.10x = 1,088.72 × 496.46
  4. Step 4: Simplify right side
    727.10x = 540,505.93
  5. Step 5: Solve for x
    x = 540,505.93/727.10
  6. Step 6: Final answer
    x = 743.37

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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.