Home / 1,004.27-1,505.37-354.56

Finding the Fourth Proportional to 1,004.27, 1,505.37 and 354.56

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Solution

The fourth proportional to 1,004.27, 1,505.37 and 354.56 is: 531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.27 : 1,505.37 = 354.56 : x
  2. Step 2: Convert to fraction form
    1,004.27/1,505.37 = 354.56/x
  3. Step 3: Cross multiply
    1,004.27x = 1,505.37 × 354.56
  4. Step 4: Simplify right side
    1,004.27x = 533,736.46
  5. Step 5: Solve for x
    x = 533,736.46/1,004.27
  6. Step 6: Final answer
    x = 531.47

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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.