Home / 874,077.10-1,310,991.08-275,022.70

Finding the Fourth Proportional to 874,077.10, 1,310,991.08 and 275,022.70

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Solution

The fourth proportional to 874,077.10, 1,310,991.08 and 275,022.70 is: 412,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,077.10 : 1,310,991.08 = 275,022.70 : x
  2. Step 2: Convert to fraction form
    874,077.10/1,310,991.08 = 275,022.70/x
  3. Step 3: Cross multiply
    874,077.10x = 1,310,991.08 × 275,022.70
  4. Step 4: Simplify right side
    874,077.10x = 360,552,303,907.60
  5. Step 5: Solve for x
    x = 360,552,303,907.60/874,077.10
  6. Step 6: Final answer
    x = 412,494.85

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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.