Home / 828,212.52-1,242,581.40-295,721.76

Finding the Fourth Proportional to 828,212.52, 1,242,581.40 and 295,721.76

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Solution

The fourth proportional to 828,212.52, 1,242,581.40 and 295,721.76 is: 443,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,212.52 : 1,242,581.40 = 295,721.76 : x
  2. Step 2: Convert to fraction form
    828,212.52/1,242,581.40 = 295,721.76/x
  3. Step 3: Cross multiply
    828,212.52x = 1,242,581.40 × 295,721.76
  4. Step 4: Simplify right side
    828,212.52x = 367,458,358,551.26
  5. Step 5: Solve for x
    x = 367,458,358,551.26/828,212.52
  6. Step 6: Final answer
    x = 443,676.41

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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.