Home / 864,164.21-1,192,540.17-476,979.55

Finding the Fourth Proportional to 864,164.21, 1,192,540.17 and 476,979.55

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Solution

The fourth proportional to 864,164.21, 1,192,540.17 and 476,979.55 is: 658,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,164.21 : 1,192,540.17 = 476,979.55 : x
  2. Step 2: Convert to fraction form
    864,164.21/1,192,540.17 = 476,979.55/x
  3. Step 3: Cross multiply
    864,164.21x = 1,192,540.17 × 476,979.55
  4. Step 4: Simplify right side
    864,164.21x = 568,817,276,475.88
  5. Step 5: Solve for x
    x = 568,817,276,475.88/864,164.21
  6. Step 6: Final answer
    x = 658,228.23

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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.