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Finding the Fourth Proportional to 539,249.62, 744,434.14 and 335,366.22

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Solution

The fourth proportional to 539,249.62, 744,434.14 and 335,366.22 is: 462,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,249.62 : 744,434.14 = 335,366.22 : x
  2. Step 2: Convert to fraction form
    539,249.62/744,434.14 = 335,366.22/x
  3. Step 3: Cross multiply
    539,249.62x = 744,434.14 × 335,366.22
  4. Step 4: Simplify right side
    539,249.62x = 249,658,063,570.75
  5. Step 5: Solve for x
    x = 249,658,063,570.75/539,249.62
  6. Step 6: Final answer
    x = 462,973.09

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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.