Home / 664,064.10-995,966.55-214,676.10

Finding the Fourth Proportional to 664,064.10, 995,966.55 and 214,676.10

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Solution

The fourth proportional to 664,064.10, 995,966.55 and 214,676.10 is: 321,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,064.10 : 995,966.55 = 214,676.10 : x
  2. Step 2: Convert to fraction form
    664,064.10/995,966.55 = 214,676.10/x
  3. Step 3: Cross multiply
    664,064.10x = 995,966.55 × 214,676.10
  4. Step 4: Simplify right side
    664,064.10x = 213,810,214,684.46
  5. Step 5: Solve for x
    x = 213,810,214,684.46/664,064.10
  6. Step 6: Final answer
    x = 321,972.25

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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.