Home / 552,336.24-762,135.15-310,604.43

Finding the Fourth Proportional to 552,336.24, 762,135.15 and 310,604.43

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Solution

The fourth proportional to 552,336.24, 762,135.15 and 310,604.43 is: 428,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,336.24 : 762,135.15 = 310,604.43 : x
  2. Step 2: Convert to fraction form
    552,336.24/762,135.15 = 310,604.43/x
  3. Step 3: Cross multiply
    552,336.24x = 762,135.15 × 310,604.43
  4. Step 4: Simplify right side
    552,336.24x = 236,722,553,848.72
  5. Step 5: Solve for x
    x = 236,722,553,848.72/552,336.24
  6. Step 6: Final answer
    x = 428,584.14

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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.