Home / 775,020.80-1,162,563.60-415,040.60

Finding the Fourth Proportional to 775,020.80, 1,162,563.60 and 415,040.60

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Solution

The fourth proportional to 775,020.80, 1,162,563.60 and 415,040.60 is: 622,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,020.80 : 1,162,563.60 = 415,040.60 : x
  2. Step 2: Convert to fraction form
    775,020.80/1,162,563.60 = 415,040.60/x
  3. Step 3: Cross multiply
    775,020.80x = 1,162,563.60 × 415,040.60
  4. Step 4: Simplify right side
    775,020.80x = 482,511,094,082.16
  5. Step 5: Solve for x
    x = 482,511,094,082.16/775,020.80
  6. Step 6: Final answer
    x = 622,578.25

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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.