Home / 721,917.72-1,082,873.61-182,175.21

Finding the Fourth Proportional to 721,917.72, 1,082,873.61 and 182,175.21

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Solution

The fourth proportional to 721,917.72, 1,082,873.61 and 182,175.21 is: 273,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,917.72 : 1,082,873.61 = 182,175.21 : x
  2. Step 2: Convert to fraction form
    721,917.72/1,082,873.61 = 182,175.21/x
  3. Step 3: Cross multiply
    721,917.72x = 1,082,873.61 × 182,175.21
  4. Step 4: Simplify right side
    721,917.72x = 197,272,727,305.21
  5. Step 5: Solve for x
    x = 197,272,727,305.21/721,917.72
  6. Step 6: Final answer
    x = 273,262.07

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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.