Home / 872,961.49-1,309,497.60-273,946.27

Finding the Fourth Proportional to 872,961.49, 1,309,497.60 and 273,946.27

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Solution

The fourth proportional to 872,961.49, 1,309,497.60 and 273,946.27 is: 410,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,961.49 : 1,309,497.60 = 273,946.27 : x
  2. Step 2: Convert to fraction form
    872,961.49/1,309,497.60 = 273,946.27/x
  3. Step 3: Cross multiply
    872,961.49x = 1,309,497.60 × 273,946.27
  4. Step 4: Simplify right side
    872,961.49x = 358,731,983,093.95
  5. Step 5: Solve for x
    x = 358,731,983,093.95/872,961.49
  6. Step 6: Final answer
    x = 410,936.78

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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.