Home / 828,421.58-1,242,893.36-295,930.82

Finding the Fourth Proportional to 828,421.58, 1,242,893.36 and 295,930.82

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Solution

The fourth proportional to 828,421.58, 1,242,893.36 and 295,930.82 is: 443,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,421.58 : 1,242,893.36 = 295,930.82 : x
  2. Step 2: Convert to fraction form
    828,421.58/1,242,893.36 = 295,930.82/x
  3. Step 3: Cross multiply
    828,421.58x = 1,242,893.36 × 295,930.82
  4. Step 4: Simplify right side
    828,421.58x = 367,810,451,197.36
  5. Step 5: Solve for x
    x = 367,810,451,197.36/828,421.58
  6. Step 6: Final answer
    x = 443,989.46

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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.