Home / 721,843.56-1,082,823.60-223,207.56

Finding the Fourth Proportional to 721,843.56, 1,082,823.60 and 223,207.56

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Solution

The fourth proportional to 721,843.56, 1,082,823.60 and 223,207.56 is: 334,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,843.56 : 1,082,823.60 = 223,207.56 : x
  2. Step 2: Convert to fraction form
    721,843.56/1,082,823.60 = 223,207.56/x
  3. Step 3: Cross multiply
    721,843.56x = 1,082,823.60 × 223,207.56
  4. Step 4: Simplify right side
    721,843.56x = 241,694,413,666.42
  5. Step 5: Solve for x
    x = 241,694,413,666.42/721,843.56
  6. Step 6: Final answer
    x = 334,829.36

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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.