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Finding the Fourth Proportional to 539,630.62, 744,787.73 and 321,853.25

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Solution

The fourth proportional to 539,630.62, 744,787.73 and 321,853.25 is: 444,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,630.62 : 744,787.73 = 321,853.25 : x
  2. Step 2: Convert to fraction form
    539,630.62/744,787.73 = 321,853.25/x
  3. Step 3: Cross multiply
    539,630.62x = 744,787.73 × 321,853.25
  4. Step 4: Simplify right side
    539,630.62x = 239,712,354,127.23
  5. Step 5: Solve for x
    x = 239,712,354,127.23/539,630.62
  6. Step 6: Final answer
    x = 444,215.63

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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.