Home / 1,040,391.08-1,560,640.54-330,474.60

Finding the Fourth Proportional to 1,040,391.08, 1,560,640.54 and 330,474.60

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Solution

The fourth proportional to 1,040,391.08, 1,560,640.54 and 330,474.60 is: 495,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,391.08 : 1,560,640.54 = 330,474.60 : x
  2. Step 2: Convert to fraction form
    1,040,391.08/1,560,640.54 = 330,474.60/x
  3. Step 3: Cross multiply
    1,040,391.08x = 1,560,640.54 × 330,474.60
  4. Step 4: Simplify right side
    1,040,391.08x = 515,752,058,200.28
  5. Step 5: Solve for x
    x = 515,752,058,200.28/1,040,391.08
  6. Step 6: Final answer
    x = 495,729.03

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1.5x scale

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.