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Finding the Fourth Proportional to 677,662.62, 935,286.39 and 375,953.82

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Solution

The fourth proportional to 677,662.62, 935,286.39 and 375,953.82 is: 518,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,662.62 : 935,286.39 = 375,953.82 : x
  2. Step 2: Convert to fraction form
    677,662.62/935,286.39 = 375,953.82/x
  3. Step 3: Cross multiply
    677,662.62x = 935,286.39 × 375,953.82
  4. Step 4: Simplify right side
    677,662.62x = 351,624,491,114.51
  5. Step 5: Solve for x
    x = 351,624,491,114.51/677,662.62
  6. Step 6: Final answer
    x = 518,878.39

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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.