Home / 869,469.52-1,304,208.92-395,823.76

Finding the Fourth Proportional to 869,469.52, 1,304,208.92 and 395,823.76

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Solution

The fourth proportional to 869,469.52, 1,304,208.92 and 395,823.76 is: 593,737.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,469.52 : 1,304,208.92 = 395,823.76 : x
  2. Step 2: Convert to fraction form
    869,469.52/1,304,208.92 = 395,823.76/x
  3. Step 3: Cross multiply
    869,469.52x = 1,304,208.92 × 395,823.76
  4. Step 4: Simplify right side
    869,469.52x = 516,236,878,539.94
  5. Step 5: Solve for x
    x = 516,236,878,539.94/869,469.52
  6. Step 6: Final answer
    x = 593,737.75

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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.