Home / 1,363.38-2,045.19-438.96

Finding the Fourth Proportional to 1,363.38, 2,045.19 and 438.96

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Solution

The fourth proportional to 1,363.38, 2,045.19 and 438.96 is: 658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.38 : 2,045.19 = 438.96 : x
  2. Step 2: Convert to fraction form
    1,363.38/2,045.19 = 438.96/x
  3. Step 3: Cross multiply
    1,363.38x = 2,045.19 × 438.96
  4. Step 4: Simplify right side
    1,363.38x = 897,756.60
  5. Step 5: Solve for x
    x = 897,756.60/1,363.38
  6. Step 6: Final answer
    x = 658.48

Related Problems

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Half scale
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Double scale
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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.