Home / 729,405.82-1,094,250.55-280,093.66

Finding the Fourth Proportional to 729,405.82, 1,094,250.55 and 280,093.66

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Solution

The fourth proportional to 729,405.82, 1,094,250.55 and 280,093.66 is: 420,194.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,405.82 : 1,094,250.55 = 280,093.66 : x
  2. Step 2: Convert to fraction form
    729,405.82/1,094,250.55 = 280,093.66/x
  3. Step 3: Cross multiply
    729,405.82x = 1,094,250.55 × 280,093.66
  4. Step 4: Simplify right side
    729,405.82x = 306,492,641,506.51
  5. Step 5: Solve for x
    x = 306,492,641,506.51/729,405.82
  6. Step 6: Final answer
    x = 420,194.95

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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.