Home / 890,091.36-1,228,321.08-482,201.04

Finding the Fourth Proportional to 890,091.36, 1,228,321.08 and 482,201.04

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Solution

The fourth proportional to 890,091.36, 1,228,321.08 and 482,201.04 is: 665,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,091.36 : 1,228,321.08 = 482,201.04 : x
  2. Step 2: Convert to fraction form
    890,091.36/1,228,321.08 = 482,201.04/x
  3. Step 3: Cross multiply
    890,091.36x = 1,228,321.08 × 482,201.04
  4. Step 4: Simplify right side
    890,091.36x = 592,297,702,229.92
  5. Step 5: Solve for x
    x = 592,297,702,229.92/890,091.36
  6. Step 6: Final answer
    x = 665,434.73

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Double scale
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Similar ratio
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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.