Home / 885,858.22-1,328,998.52-286,819.56

Finding the Fourth Proportional to 885,858.22, 1,328,998.52 and 286,819.56

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Solution

The fourth proportional to 885,858.22, 1,328,998.52 and 286,819.56 is: 430,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,858.22 : 1,328,998.52 = 286,819.56 : x
  2. Step 2: Convert to fraction form
    885,858.22/1,328,998.52 = 286,819.56/x
  3. Step 3: Cross multiply
    885,858.22x = 1,328,998.52 × 286,819.56
  4. Step 4: Simplify right side
    885,858.22x = 381,182,770,747.05
  5. Step 5: Solve for x
    x = 381,182,770,747.05/885,858.22
  6. Step 6: Final answer
    x = 430,297.72

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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.