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Finding the Fourth Proportional to 659,350.26, 910,080.77 and 387,600.26

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Solution

The fourth proportional to 659,350.26, 910,080.77 and 387,600.26 is: 534,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,350.26 : 910,080.77 = 387,600.26 : x
  2. Step 2: Convert to fraction form
    659,350.26/910,080.77 = 387,600.26/x
  3. Step 3: Cross multiply
    659,350.26x = 910,080.77 × 387,600.26
  4. Step 4: Simplify right side
    659,350.26x = 352,747,536,584.60
  5. Step 5: Solve for x
    x = 352,747,536,584.60/659,350.26
  6. Step 6: Final answer
    x = 534,992.64

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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.