Home / 820,348.17-1,230,116.91-251,592.90

Finding the Fourth Proportional to 820,348.17, 1,230,116.91 and 251,592.90

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Solution

The fourth proportional to 820,348.17, 1,230,116.91 and 251,592.90 is: 377,265.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,348.17 : 1,230,116.91 = 251,592.90 : x
  2. Step 2: Convert to fraction form
    820,348.17/1,230,116.91 = 251,592.90/x
  3. Step 3: Cross multiply
    820,348.17x = 1,230,116.91 × 251,592.90
  4. Step 4: Simplify right side
    820,348.17x = 309,488,680,725.94
  5. Step 5: Solve for x
    x = 309,488,680,725.94/820,348.17
  6. Step 6: Final answer
    x = 377,265.03

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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.