Home / 721,876.26-1,082,814.40-223,240.26

Finding the Fourth Proportional to 721,876.26, 1,082,814.40 and 223,240.26

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Solution

The fourth proportional to 721,876.26, 1,082,814.40 and 223,240.26 is: 334,860.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,876.26 : 1,082,814.40 = 223,240.26 : x
  2. Step 2: Convert to fraction form
    721,876.26/1,082,814.40 = 223,240.26/x
  3. Step 3: Cross multiply
    721,876.26x = 1,082,814.40 × 223,240.26
  4. Step 4: Simplify right side
    721,876.26x = 241,727,768,187.74
  5. Step 5: Solve for x
    x = 241,727,768,187.74/721,876.26
  6. Step 6: Final answer
    x = 334,860.39

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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.