Home / 721,883.80-1,082,825.70-223,247.80

Finding the Fourth Proportional to 721,883.80, 1,082,825.70 and 223,247.80

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Solution

The fourth proportional to 721,883.80, 1,082,825.70 and 223,247.80 is: 334,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,883.80 : 1,082,825.70 = 223,247.80 : x
  2. Step 2: Convert to fraction form
    721,883.80/1,082,825.70 = 223,247.80/x
  3. Step 3: Cross multiply
    721,883.80x = 1,082,825.70 × 223,247.80
  4. Step 4: Simplify right side
    721,883.80x = 241,738,455,308.46
  5. Step 5: Solve for x
    x = 241,738,455,308.46/721,883.80
  6. Step 6: Final answer
    x = 334,871.70

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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.