Home / 828,268.40-1,242,402.60-295,806.80

Finding the Fourth Proportional to 828,268.40, 1,242,402.60 and 295,806.80

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Solution

The fourth proportional to 828,268.40, 1,242,402.60 and 295,806.80 is: 443,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,268.40 : 1,242,402.60 = 295,806.80 : x
  2. Step 2: Convert to fraction form
    828,268.40/1,242,402.60 = 295,806.80/x
  3. Step 3: Cross multiply
    828,268.40x = 1,242,402.60 × 295,806.80
  4. Step 4: Simplify right side
    828,268.40x = 367,511,137,417.68
  5. Step 5: Solve for x
    x = 367,511,137,417.68/828,268.40
  6. Step 6: Final answer
    x = 443,710.20

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Similar ratio
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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.