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Finding the Fourth Proportional to 888.39, 1,226.03 and 495.41

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Solution

The fourth proportional to 888.39, 1,226.03 and 495.41 is: 683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.39 : 1,226.03 = 495.41 : x
  2. Step 2: Convert to fraction form
    888.39/1,226.03 = 495.41/x
  3. Step 3: Cross multiply
    888.39x = 1,226.03 × 495.41
  4. Step 4: Simplify right side
    888.39x = 607,385.37
  5. Step 5: Solve for x
    x = 607,385.37/888.39
  6. Step 6: Final answer
    x = 683.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.