Home / 729,020.90-1,093,859.40-256,045.70

Finding the Fourth Proportional to 729,020.90, 1,093,859.40 and 256,045.70

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Solution

The fourth proportional to 729,020.90, 1,093,859.40 and 256,045.70 is: 384,183.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,020.90 : 1,093,859.40 = 256,045.70 : x
  2. Step 2: Convert to fraction form
    729,020.90/1,093,859.40 = 256,045.70/x
  3. Step 3: Cross multiply
    729,020.90x = 1,093,859.40 × 256,045.70
  4. Step 4: Simplify right side
    729,020.90x = 280,077,995,774.58
  5. Step 5: Solve for x
    x = 280,077,995,774.58/729,020.90
  6. Step 6: Final answer
    x = 384,183.77

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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.