Home / 805,321.44-1,208,215.44-331,763.04

Finding the Fourth Proportional to 805,321.44, 1,208,215.44 and 331,763.04

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Solution

The fourth proportional to 805,321.44, 1,208,215.44 and 331,763.04 is: 497,740.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,321.44 : 1,208,215.44 = 331,763.04 : x
  2. Step 2: Convert to fraction form
    805,321.44/1,208,215.44 = 331,763.04/x
  3. Step 3: Cross multiply
    805,321.44x = 1,208,215.44 × 331,763.04
  4. Step 4: Simplify right side
    805,321.44x = 400,841,227,349.34
  5. Step 5: Solve for x
    x = 400,841,227,349.34/805,321.44
  6. Step 6: Final answer
    x = 497,740.66

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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.