Home / 872,553.54-1,309,530.24-451,949.70

Finding the Fourth Proportional to 872,553.54, 1,309,530.24 and 451,949.70

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Solution

The fourth proportional to 872,553.54, 1,309,530.24 and 451,949.70 is: 678,287.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,553.54 : 1,309,530.24 = 451,949.70 : x
  2. Step 2: Convert to fraction form
    872,553.54/1,309,530.24 = 451,949.70/x
  3. Step 3: Cross multiply
    872,553.54x = 1,309,530.24 × 451,949.70
  4. Step 4: Simplify right side
    872,553.54x = 591,841,799,108.93
  5. Step 5: Solve for x
    x = 591,841,799,108.93/872,553.54
  6. Step 6: Final answer
    x = 678,287.09

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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.