Home / 588,490.40-882,121.20-321,840.80

Finding the Fourth Proportional to 588,490.40, 882,121.20 and 321,840.80

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Solution

The fourth proportional to 588,490.40, 882,121.20 and 321,840.80 is: 482,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,490.40 : 882,121.20 = 321,840.80 : x
  2. Step 2: Convert to fraction form
    588,490.40/882,121.20 = 321,840.80/x
  3. Step 3: Cross multiply
    588,490.40x = 882,121.20 × 321,840.80
  4. Step 4: Simplify right side
    588,490.40x = 283,902,592,704.96
  5. Step 5: Solve for x
    x = 283,902,592,704.96/588,490.40
  6. Step 6: Final answer
    x = 482,425.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.