Home / 539,029.82-743,858.13-297,311.85

Finding the Fourth Proportional to 539,029.82, 743,858.13 and 297,311.85

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Solution

The fourth proportional to 539,029.82, 743,858.13 and 297,311.85 is: 410,288.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,029.82 : 743,858.13 = 297,311.85 : x
  2. Step 2: Convert to fraction form
    539,029.82/743,858.13 = 297,311.85/x
  3. Step 3: Cross multiply
    539,029.82x = 743,858.13 × 297,311.85
  4. Step 4: Simplify right side
    539,029.82x = 221,157,836,767.84
  5. Step 5: Solve for x
    x = 221,157,836,767.84/539,029.82
  6. Step 6: Final answer
    x = 410,288.69

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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.