Home / 884,146.20-1,220,121.60-481,738.20

Finding the Fourth Proportional to 884,146.20, 1,220,121.60 and 481,738.20

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Solution

The fourth proportional to 884,146.20, 1,220,121.60 and 481,738.20 is: 664,798.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,146.20 : 1,220,121.60 = 481,738.20 : x
  2. Step 2: Convert to fraction form
    884,146.20/1,220,121.60 = 481,738.20/x
  3. Step 3: Cross multiply
    884,146.20x = 1,220,121.60 × 481,738.20
  4. Step 4: Simplify right side
    884,146.20x = 587,779,183,365.12
  5. Step 5: Solve for x
    x = 587,779,183,365.12/884,146.20
  6. Step 6: Final answer
    x = 664,798.63

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.