Home / 721,874.26-1,082,811.40-223,238.26

Finding the Fourth Proportional to 721,874.26, 1,082,811.40 and 223,238.26

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Solution

The fourth proportional to 721,874.26, 1,082,811.40 and 223,238.26 is: 334,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,874.26 : 1,082,811.40 = 223,238.26 : x
  2. Step 2: Convert to fraction form
    721,874.26/1,082,811.40 = 223,238.26/x
  3. Step 3: Cross multiply
    721,874.26x = 1,082,811.40 × 223,238.26
  4. Step 4: Simplify right side
    721,874.26x = 241,724,932,844.16
  5. Step 5: Solve for x
    x = 241,724,932,844.16/721,874.26
  6. Step 6: Final answer
    x = 334,857.39

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Half scale
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Double scale
Find fourth proportional to 721,875.26, 1,082,812.90 and 223,239.26
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.