Home / 493,155.24-739,078.89-253,259.44

Finding the Fourth Proportional to 493,155.24, 739,078.89 and 253,259.44

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Solution

The fourth proportional to 493,155.24, 739,078.89 and 253,259.44 is: 379,553.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,155.24 : 739,078.89 = 253,259.44 : x
  2. Step 2: Convert to fraction form
    493,155.24/739,078.89 = 253,259.44/x
  3. Step 3: Cross multiply
    493,155.24x = 739,078.89 × 253,259.44
  4. Step 4: Simplify right side
    493,155.24x = 187,178,702,734.98
  5. Step 5: Solve for x
    x = 187,178,702,734.98/493,155.24
  6. Step 6: Final answer
    x = 379,553.31

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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.