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Finding the Fourth Proportional to 539,297.52, 744,229.71 and 297,579.90

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Solution

The fourth proportional to 539,297.52, 744,229.71 and 297,579.90 is: 410,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,297.52 : 744,229.71 = 297,579.90 : x
  2. Step 2: Convert to fraction form
    539,297.52/744,229.71 = 297,579.90/x
  3. Step 3: Cross multiply
    539,297.52x = 744,229.71 × 297,579.90
  4. Step 4: Simplify right side
    539,297.52x = 221,467,802,678.83
  5. Step 5: Solve for x
    x = 221,467,802,678.83/539,297.52
  6. Step 6: Final answer
    x = 410,659.78

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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.