Home / 802,486.85-1,203,795.88-329,176.31

Finding the Fourth Proportional to 802,486.85, 1,203,795.88 and 329,176.31

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Solution

The fourth proportional to 802,486.85, 1,203,795.88 and 329,176.31 is: 493,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,486.85 : 1,203,795.88 = 329,176.31 : x
  2. Step 2: Convert to fraction form
    802,486.85/1,203,795.88 = 329,176.31/x
  3. Step 3: Cross multiply
    802,486.85x = 1,203,795.88 × 329,176.31
  4. Step 4: Simplify right side
    802,486.85x = 396,261,078,929.68
  5. Step 5: Solve for x
    x = 396,261,078,929.68/802,486.85
  6. Step 6: Final answer
    x = 493,791.37

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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.