Home / 539,112.44-743,963.28-297,395.21

Finding the Fourth Proportional to 539,112.44, 743,963.28 and 297,395.21

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Solution

The fourth proportional to 539,112.44, 743,963.28 and 297,395.21 is: 410,398.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,112.44 : 743,963.28 = 297,395.21 : x
  2. Step 2: Convert to fraction form
    539,112.44/743,963.28 = 297,395.21/x
  3. Step 3: Cross multiply
    539,112.44x = 743,963.28 × 297,395.21
  4. Step 4: Simplify right side
    539,112.44x = 221,251,115,887.89
  5. Step 5: Solve for x
    x = 221,251,115,887.89/539,112.44
  6. Step 6: Final answer
    x = 410,398.83

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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.