Home / 1,296.33-1,945.27-474.69

Finding the Fourth Proportional to 1,296.33, 1,945.27 and 474.69

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Solution

The fourth proportional to 1,296.33, 1,945.27 and 474.69 is: 712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.33 : 1,945.27 = 474.69 : x
  2. Step 2: Convert to fraction form
    1,296.33/1,945.27 = 474.69/x
  3. Step 3: Cross multiply
    1,296.33x = 1,945.27 × 474.69
  4. Step 4: Simplify right side
    1,296.33x = 923,389.02
  5. Step 5: Solve for x
    x = 923,389.02/1,296.33
  6. Step 6: Final answer
    x = 712.31

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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.