Home / 960,163.60-1,440,245.40-329,083.60

Finding the Fourth Proportional to 960,163.60, 1,440,245.40 and 329,083.60

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Solution

The fourth proportional to 960,163.60, 1,440,245.40 and 329,083.60 is: 493,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,163.60 : 1,440,245.40 = 329,083.60 : x
  2. Step 2: Convert to fraction form
    960,163.60/1,440,245.40 = 329,083.60/x
  3. Step 3: Cross multiply
    960,163.60x = 1,440,245.40 × 329,083.60
  4. Step 4: Simplify right side
    960,163.60x = 473,961,141,115.44
  5. Step 5: Solve for x
    x = 473,961,141,115.44/960,163.60
  6. Step 6: Final answer
    x = 493,625.40

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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.