Home / 820,349.17-1,230,118.41-251,593.90

Finding the Fourth Proportional to 820,349.17, 1,230,118.41 and 251,593.90

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Solution

The fourth proportional to 820,349.17, 1,230,118.41 and 251,593.90 is: 377,266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,349.17 : 1,230,118.41 = 251,593.90 : x
  2. Step 2: Convert to fraction form
    820,349.17/1,230,118.41 = 251,593.90/x
  3. Step 3: Cross multiply
    820,349.17x = 1,230,118.41 × 251,593.90
  4. Step 4: Simplify right side
    820,349.17x = 309,490,288,233.70
  5. Step 5: Solve for x
    x = 309,490,288,233.70/820,349.17
  6. Step 6: Final answer
    x = 377,266.53

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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.