Home / 772,839.31-1,159,261.92-323,244.79

Finding the Fourth Proportional to 772,839.31, 1,159,261.92 and 323,244.79

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Solution

The fourth proportional to 772,839.31, 1,159,261.92 and 323,244.79 is: 484,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,839.31 : 1,159,261.92 = 323,244.79 : x
  2. Step 2: Convert to fraction form
    772,839.31/1,159,261.92 = 323,244.79/x
  3. Step 3: Cross multiply
    772,839.31x = 1,159,261.92 × 323,244.79
  4. Step 4: Simplify right side
    772,839.31x = 374,725,375,412.96
  5. Step 5: Solve for x
    x = 374,725,375,412.96/772,839.31
  6. Step 6: Final answer
    x = 484,868.42

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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.