Home / 828,196.80-1,242,003.60-295,735.20

Finding the Fourth Proportional to 828,196.80, 1,242,003.60 and 295,735.20

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Solution

The fourth proportional to 828,196.80, 1,242,003.60 and 295,735.20 is: 443,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,196.80 : 1,242,003.60 = 295,735.20 : x
  2. Step 2: Convert to fraction form
    828,196.80/1,242,003.60 = 295,735.20/x
  3. Step 3: Cross multiply
    828,196.80x = 1,242,003.60 × 295,735.20
  4. Step 4: Simplify right side
    828,196.80x = 367,304,183,046.72
  5. Step 5: Solve for x
    x = 367,304,183,046.72/828,196.80
  6. Step 6: Final answer
    x = 443,498.67

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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.