Home / 869,467.52-1,304,205.92-395,821.76

Finding the Fourth Proportional to 869,467.52, 1,304,205.92 and 395,821.76

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Solution

The fourth proportional to 869,467.52, 1,304,205.92 and 395,821.76 is: 593,734.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,467.52 : 1,304,205.92 = 395,821.76 : x
  2. Step 2: Convert to fraction form
    869,467.52/1,304,205.92 = 395,821.76/x
  3. Step 3: Cross multiply
    869,467.52x = 1,304,205.92 × 395,821.76
  4. Step 4: Simplify right side
    869,467.52x = 516,233,082,656.82
  5. Step 5: Solve for x
    x = 516,233,082,656.82/869,467.52
  6. Step 6: Final answer
    x = 593,734.75

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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.