Home / 499,245.20-748,867.80-277,629.20

Finding the Fourth Proportional to 499,245.20, 748,867.80 and 277,629.20

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Solution

The fourth proportional to 499,245.20, 748,867.80 and 277,629.20 is: 416,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,245.20 : 748,867.80 = 277,629.20 : x
  2. Step 2: Convert to fraction form
    499,245.20/748,867.80 = 277,629.20/x
  3. Step 3: Cross multiply
    499,245.20x = 748,867.80 × 277,629.20
  4. Step 4: Simplify right side
    499,245.20x = 207,907,568,219.76
  5. Step 5: Solve for x
    x = 207,907,568,219.76/499,245.20
  6. Step 6: Final answer
    x = 416,443.80

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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.