Home / 339,977.31-509,896.85-323,116.35

Finding the Fourth Proportional to 339,977.31, 509,896.85 and 323,116.35

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Solution

The fourth proportional to 339,977.31, 509,896.85 and 323,116.35 is: 484,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,977.31 : 509,896.85 = 323,116.35 : x
  2. Step 2: Convert to fraction form
    339,977.31/509,896.85 = 323,116.35/x
  3. Step 3: Cross multiply
    339,977.31x = 509,896.85 × 323,116.35
  4. Step 4: Simplify right side
    339,977.31x = 164,756,007,432.92
  5. Step 5: Solve for x
    x = 164,756,007,432.92/339,977.31
  6. Step 6: Final answer
    x = 484,608.83

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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.