Home / 558,684.39-771,067.47-329,168.31

Finding the Fourth Proportional to 558,684.39, 771,067.47 and 329,168.31

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Solution

The fourth proportional to 558,684.39, 771,067.47 and 329,168.31 is: 454,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,684.39 : 771,067.47 = 329,168.31 : x
  2. Step 2: Convert to fraction form
    558,684.39/771,067.47 = 329,168.31/x
  3. Step 3: Cross multiply
    558,684.39x = 771,067.47 × 329,168.31
  4. Step 4: Simplify right side
    558,684.39x = 253,810,975,995.88
  5. Step 5: Solve for x
    x = 253,810,975,995.88/558,684.39
  6. Step 6: Final answer
    x = 454,301.18

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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.