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Finding the Fourth Proportional to 694,325.58, 958,124.10 and 388,348.95

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Solution

The fourth proportional to 694,325.58, 958,124.10 and 388,348.95 is: 535,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,325.58 : 958,124.10 = 388,348.95 : x
  2. Step 2: Convert to fraction form
    694,325.58/958,124.10 = 388,348.95/x
  3. Step 3: Cross multiply
    694,325.58x = 958,124.10 × 388,348.95
  4. Step 4: Simplify right side
    694,325.58x = 372,086,488,204.70
  5. Step 5: Solve for x
    x = 372,086,488,204.70/694,325.58
  6. Step 6: Final answer
    x = 535,896.27

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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.