Home / 802,197.20-1,203,619.80-353,003.60

Finding the Fourth Proportional to 802,197.20, 1,203,619.80 and 353,003.60

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Solution

The fourth proportional to 802,197.20, 1,203,619.80 and 353,003.60 is: 529,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,197.20 : 1,203,619.80 = 353,003.60 : x
  2. Step 2: Convert to fraction form
    802,197.20/1,203,619.80 = 353,003.60/x
  3. Step 3: Cross multiply
    802,197.20x = 1,203,619.80 × 353,003.60
  4. Step 4: Simplify right side
    802,197.20x = 424,882,122,431.28
  5. Step 5: Solve for x
    x = 424,882,122,431.28/802,197.20
  6. Step 6: Final answer
    x = 529,647.97

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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.