Home / 874,076.85-1,310,990.71-275,022.45

Finding the Fourth Proportional to 874,076.85, 1,310,990.71 and 275,022.45

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Solution

The fourth proportional to 874,076.85, 1,310,990.71 and 275,022.45 is: 412,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,076.85 : 1,310,990.71 = 275,022.45 : x
  2. Step 2: Convert to fraction form
    874,076.85/1,310,990.71 = 275,022.45/x
  3. Step 3: Cross multiply
    874,076.85x = 1,310,990.71 × 275,022.45
  4. Step 4: Simplify right side
    874,076.85x = 360,551,870,436.49
  5. Step 5: Solve for x
    x = 360,551,870,436.49/874,076.85
  6. Step 6: Final answer
    x = 412,494.48

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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.