Home / 721,875.26-1,082,812.90-223,239.26

Finding the Fourth Proportional to 721,875.26, 1,082,812.90 and 223,239.26

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Solution

The fourth proportional to 721,875.26, 1,082,812.90 and 223,239.26 is: 334,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,875.26 : 1,082,812.90 = 223,239.26 : x
  2. Step 2: Convert to fraction form
    721,875.26/1,082,812.90 = 223,239.26/x
  3. Step 3: Cross multiply
    721,875.26x = 1,082,812.90 × 223,239.26
  4. Step 4: Simplify right side
    721,875.26x = 241,726,350,514.45
  5. Step 5: Solve for x
    x = 241,726,350,514.45/721,875.26
  6. Step 6: Final answer
    x = 334,858.89

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Half scale
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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.