Home / 721,855.60-1,082,929.20-248,588.80

Finding the Fourth Proportional to 721,855.60, 1,082,929.20 and 248,588.80

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Solution

The fourth proportional to 721,855.60, 1,082,929.20 and 248,588.80 is: 372,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,855.60 : 1,082,929.20 = 248,588.80 : x
  2. Step 2: Convert to fraction form
    721,855.60/1,082,929.20 = 248,588.80/x
  3. Step 3: Cross multiply
    721,855.60x = 1,082,929.20 × 248,588.80
  4. Step 4: Simplify right side
    721,855.60x = 269,204,070,312.96
  5. Step 5: Solve for x
    x = 269,204,070,312.96/721,855.60
  6. Step 6: Final answer
    x = 372,933.41

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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.