Home / 468,910.14-647,057.70-275,297.46

Finding the Fourth Proportional to 468,910.14, 647,057.70 and 275,297.46

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Solution

The fourth proportional to 468,910.14, 647,057.70 and 275,297.46 is: 379,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,910.14 : 647,057.70 = 275,297.46 : x
  2. Step 2: Convert to fraction form
    468,910.14/647,057.70 = 275,297.46/x
  3. Step 3: Cross multiply
    468,910.14x = 647,057.70 × 275,297.46
  4. Step 4: Simplify right side
    468,910.14x = 178,133,341,283.44
  5. Step 5: Solve for x
    x = 178,133,341,283.44/468,910.14
  6. Step 6: Final answer
    x = 379,888.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.