Home / 629,759.82-869,051.25-343,285.50

Finding the Fourth Proportional to 629,759.82, 869,051.25 and 343,285.50

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Solution

The fourth proportional to 629,759.82, 869,051.25 and 343,285.50 is: 473,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,759.82 : 869,051.25 = 343,285.50 : x
  2. Step 2: Convert to fraction form
    629,759.82/869,051.25 = 343,285.50/x
  3. Step 3: Cross multiply
    629,759.82x = 869,051.25 × 343,285.50
  4. Step 4: Simplify right side
    629,759.82x = 298,332,692,881.88
  5. Step 5: Solve for x
    x = 298,332,692,881.88/629,759.82
  6. Step 6: Final answer
    x = 473,724.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.