Home / 339,976.56-509,895.72-323,115.60

Finding the Fourth Proportional to 339,976.56, 509,895.72 and 323,115.60

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Solution

The fourth proportional to 339,976.56, 509,895.72 and 323,115.60 is: 484,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,976.56 : 509,895.72 = 323,115.60 : x
  2. Step 2: Convert to fraction form
    339,976.56/509,895.72 = 323,115.60/x
  3. Step 3: Cross multiply
    339,976.56x = 509,895.72 × 323,115.60
  4. Step 4: Simplify right side
    339,976.56x = 164,755,261,505.23
  5. Step 5: Solve for x
    x = 164,755,261,505.23/339,976.56
  6. Step 6: Final answer
    x = 484,607.71

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1.5x scale

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.