Home / 869,468.52-1,304,207.42-395,822.76

Finding the Fourth Proportional to 869,468.52, 1,304,207.42 and 395,822.76

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Solution

The fourth proportional to 869,468.52, 1,304,207.42 and 395,822.76 is: 593,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,468.52 : 1,304,207.42 = 395,822.76 : x
  2. Step 2: Convert to fraction form
    869,468.52/1,304,207.42 = 395,822.76/x
  3. Step 3: Cross multiply
    869,468.52x = 1,304,207.42 × 395,822.76
  4. Step 4: Simplify right side
    869,468.52x = 516,234,980,596.88
  5. Step 5: Solve for x
    x = 516,234,980,596.88/869,468.52
  6. Step 6: Final answer
    x = 593,736.25

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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.