Home / 828,105.76-1,242,421.08-295,615

Finding the Fourth Proportional to 828,105.76, 1,242,421.08 and 295,615

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Solution

The fourth proportional to 828,105.76, 1,242,421.08 and 295,615 is: 443,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,105.76 : 1,242,421.08 = 295,615 : x
  2. Step 2: Convert to fraction form
    828,105.76/1,242,421.08 = 295,615/x
  3. Step 3: Cross multiply
    828,105.76x = 1,242,421.08 × 295,615
  4. Step 4: Simplify right side
    828,105.76x = 367,278,307,564.20
  5. Step 5: Solve for x
    x = 367,278,307,564.20/828,105.76
  6. Step 6: Final answer
    x = 443,516.19

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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.