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Finding the Fourth Proportional to 695,217, 959,399.46 and 377,265

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Solution

The fourth proportional to 695,217, 959,399.46 and 377,265 is: 520,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,217 : 959,399.46 = 377,265 : x
  2. Step 2: Convert to fraction form
    695,217/959,399.46 = 377,265/x
  3. Step 3: Cross multiply
    695,217x = 959,399.46 × 377,265
  4. Step 4: Simplify right side
    695,217x = 361,947,837,276.90
  5. Step 5: Solve for x
    x = 361,947,837,276.90/695,217
  6. Step 6: Final answer
    x = 520,625.70

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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.