Home / 955.04-1,432.20-406.88

Finding the Fourth Proportional to 955.04, 1,432.20 and 406.88

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Solution

The fourth proportional to 955.04, 1,432.20 and 406.88 is: 610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.04 : 1,432.20 = 406.88 : x
  2. Step 2: Convert to fraction form
    955.04/1,432.20 = 406.88/x
  3. Step 3: Cross multiply
    955.04x = 1,432.20 × 406.88
  4. Step 4: Simplify right side
    955.04x = 582,733.54
  5. Step 5: Solve for x
    x = 582,733.54/955.04
  6. Step 6: Final answer
    x = 610.17

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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.