Home / 839,921.82-1,259,375.94-334,560.66

Finding the Fourth Proportional to 839,921.82, 1,259,375.94 and 334,560.66

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Solution

The fourth proportional to 839,921.82, 1,259,375.94 and 334,560.66 is: 501,639.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,921.82 : 1,259,375.94 = 334,560.66 : x
  2. Step 2: Convert to fraction form
    839,921.82/1,259,375.94 = 334,560.66/x
  3. Step 3: Cross multiply
    839,921.82x = 1,259,375.94 × 334,560.66
  4. Step 4: Simplify right side
    839,921.82x = 421,337,645,674.52
  5. Step 5: Solve for x
    x = 421,337,645,674.52/839,921.82
  6. Step 6: Final answer
    x = 501,639.12

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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.