Home / 1,221.33-1,831.68-604.44

Finding the Fourth Proportional to 1,221.33, 1,831.68 and 604.44

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Solution

The fourth proportional to 1,221.33, 1,831.68 and 604.44 is: 906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221.33 : 1,831.68 = 604.44 : x
  2. Step 2: Convert to fraction form
    1,221.33/1,831.68 = 604.44/x
  3. Step 3: Cross multiply
    1,221.33x = 1,831.68 × 604.44
  4. Step 4: Simplify right side
    1,221.33x = 1,107,140.66
  5. Step 5: Solve for x
    x = 1,107,140.66/1,221.33
  6. Step 6: Final answer
    x = 906.50

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1.5x scale

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.