Home / 728,215.88-1,092,819.18-446,874.44

Finding the Fourth Proportional to 728,215.88, 1,092,819.18 and 446,874.44

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Solution

The fourth proportional to 728,215.88, 1,092,819.18 and 446,874.44 is: 670,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,215.88 : 1,092,819.18 = 446,874.44 : x
  2. Step 2: Convert to fraction form
    728,215.88/1,092,819.18 = 446,874.44/x
  3. Step 3: Cross multiply
    728,215.88x = 1,092,819.18 × 446,874.44
  4. Step 4: Simplify right side
    728,215.88x = 488,352,959,083.76
  5. Step 5: Solve for x
    x = 488,352,959,083.76/728,215.88
  6. Step 6: Final answer
    x = 670,615.64

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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.