Home / 721,492.64-1,082,286.48-189,026.72

Finding the Fourth Proportional to 721,492.64, 1,082,286.48 and 189,026.72

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Solution

The fourth proportional to 721,492.64, 1,082,286.48 and 189,026.72 is: 283,552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,492.64 : 1,082,286.48 = 189,026.72 : x
  2. Step 2: Convert to fraction form
    721,492.64/1,082,286.48 = 189,026.72/x
  3. Step 3: Cross multiply
    721,492.64x = 1,082,286.48 × 189,026.72
  4. Step 4: Simplify right side
    721,492.64x = 204,581,063,414.75
  5. Step 5: Solve for x
    x = 204,581,063,414.75/721,492.64
  6. Step 6: Final answer
    x = 283,552.53

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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.