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Finding the Fourth Proportional to 694,395, 958,270.86 and 376,443

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Solution

The fourth proportional to 694,395, 958,270.86 and 376,443 is: 519,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,395 : 958,270.86 = 376,443 : x
  2. Step 2: Convert to fraction form
    694,395/958,270.86 = 376,443/x
  3. Step 3: Cross multiply
    694,395x = 958,270.86 × 376,443
  4. Step 4: Simplify right side
    694,395x = 360,734,357,350.98
  5. Step 5: Solve for x
    x = 360,734,357,350.98/694,395
  6. Step 6: Final answer
    x = 519,494.46

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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.