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Finding the Fourth Proportional to 701,300.62, 967,795.01 and 399,494.62

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Solution

The fourth proportional to 701,300.62, 967,795.01 and 399,494.62 is: 551,302.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,300.62 : 967,795.01 = 399,494.62 : x
  2. Step 2: Convert to fraction form
    701,300.62/967,795.01 = 399,494.62/x
  3. Step 3: Cross multiply
    701,300.62x = 967,795.01 × 399,494.62
  4. Step 4: Simplify right side
    701,300.62x = 386,628,899,757.85
  5. Step 5: Solve for x
    x = 386,628,899,757.85/701,300.62
  6. Step 6: Final answer
    x = 551,302.66

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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.