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Finding the Fourth Proportional to 695,219, 959,402.22 and 377,267

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Solution

The fourth proportional to 695,219, 959,402.22 and 377,267 is: 520,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,219 : 959,402.22 = 377,267 : x
  2. Step 2: Convert to fraction form
    695,219/959,402.22 = 377,267/x
  3. Step 3: Cross multiply
    695,219x = 959,402.22 × 377,267
  4. Step 4: Simplify right side
    695,219x = 361,950,797,332.74
  5. Step 5: Solve for x
    x = 361,950,797,332.74/695,219
  6. Step 6: Final answer
    x = 520,628.46

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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.