Home / 446,739.20-669,201.60-277,740.80

Finding the Fourth Proportional to 446,739.20, 669,201.60 and 277,740.80

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Solution

The fourth proportional to 446,739.20, 669,201.60 and 277,740.80 is: 416,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,739.20 : 669,201.60 = 277,740.80 : x
  2. Step 2: Convert to fraction form
    446,739.20/669,201.60 = 277,740.80/x
  3. Step 3: Cross multiply
    446,739.20x = 669,201.60 × 277,740.80
  4. Step 4: Simplify right side
    446,739.20x = 185,864,587,745.28
  5. Step 5: Solve for x
    x = 185,864,587,745.28/446,739.20
  6. Step 6: Final answer
    x = 416,047.19

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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.