Home / 721,687.12-1,082,634.36-223,090

Finding the Fourth Proportional to 721,687.12, 1,082,634.36 and 223,090

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Solution

The fourth proportional to 721,687.12, 1,082,634.36 and 223,090 is: 334,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,687.12 : 1,082,634.36 = 223,090 : x
  2. Step 2: Convert to fraction form
    721,687.12/1,082,634.36 = 223,090/x
  3. Step 3: Cross multiply
    721,687.12x = 1,082,634.36 × 223,090
  4. Step 4: Simplify right side
    721,687.12x = 241,524,899,372.40
  5. Step 5: Solve for x
    x = 241,524,899,372.40/721,687.12
  6. Step 6: Final answer
    x = 334,667.05

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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.