Home / 395,212.76-591,441-323,304.20

Finding the Fourth Proportional to 395,212.76, 591,441 and 323,304.20

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Solution

The fourth proportional to 395,212.76, 591,441 and 323,304.20 is: 483,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,212.76 : 591,441 = 323,304.20 : x
  2. Step 2: Convert to fraction form
    395,212.76/591,441 = 323,304.20/x
  3. Step 3: Cross multiply
    395,212.76x = 591,441 × 323,304.20
  4. Step 4: Simplify right side
    395,212.76x = 191,215,359,352.20
  5. Step 5: Solve for x
    x = 191,215,359,352.20/395,212.76
  6. Step 6: Final answer
    x = 483,828.91

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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.