Home / 820,347.17-1,230,115.41-251,591.90

Finding the Fourth Proportional to 820,347.17, 1,230,115.41 and 251,591.90

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Solution

The fourth proportional to 820,347.17, 1,230,115.41 and 251,591.90 is: 377,263.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,347.17 : 1,230,115.41 = 251,591.90 : x
  2. Step 2: Convert to fraction form
    820,347.17/1,230,115.41 = 251,591.90/x
  3. Step 3: Cross multiply
    820,347.17x = 1,230,115.41 × 251,591.90
  4. Step 4: Simplify right side
    820,347.17x = 309,487,067,070.60
  5. Step 5: Solve for x
    x = 309,487,067,070.60/820,347.17
  6. Step 6: Final answer
    x = 377,263.53

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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.