Home / 721,464.50-1,081,360.22-271,897.49

Finding the Fourth Proportional to 721,464.50, 1,081,360.22 and 271,897.49

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Solution

The fourth proportional to 721,464.50, 1,081,360.22 and 271,897.49 is: 407,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,464.50 : 1,081,360.22 = 271,897.49 : x
  2. Step 2: Convert to fraction form
    721,464.50/1,081,360.22 = 271,897.49/x
  3. Step 3: Cross multiply
    721,464.50x = 1,081,360.22 × 271,897.49
  4. Step 4: Simplify right side
    721,464.50x = 294,019,122,837.56
  5. Step 5: Solve for x
    x = 294,019,122,837.56/721,464.50
  6. Step 6: Final answer
    x = 407,530.97

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.