Home / 911,996.84-1,367,257.34-379,917.56

Finding the Fourth Proportional to 911,996.84, 1,367,257.34 and 379,917.56

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Solution

The fourth proportional to 911,996.84, 1,367,257.34 and 379,917.56 is: 569,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,996.84 : 1,367,257.34 = 379,917.56 : x
  2. Step 2: Convert to fraction form
    911,996.84/1,367,257.34 = 379,917.56/x
  3. Step 3: Cross multiply
    911,996.84x = 1,367,257.34 × 379,917.56
  4. Step 4: Simplify right side
    911,996.84x = 519,445,072,504.89
  5. Step 5: Solve for x
    x = 519,445,072,504.89/911,996.84
  6. Step 6: Final answer
    x = 569,568.94

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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.