Home / 771,230.22-1,157,175.72-298,247.73

Finding the Fourth Proportional to 771,230.22, 1,157,175.72 and 298,247.73

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Solution

The fourth proportional to 771,230.22, 1,157,175.72 and 298,247.73 is: 447,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,230.22 : 1,157,175.72 = 298,247.73 : x
  2. Step 2: Convert to fraction form
    771,230.22/1,157,175.72 = 298,247.73/x
  3. Step 3: Cross multiply
    771,230.22x = 1,157,175.72 × 298,247.73
  4. Step 4: Simplify right side
    771,230.22x = 345,125,031,701.12
  5. Step 5: Solve for x
    x = 345,125,031,701.12/771,230.22
  6. Step 6: Final answer
    x = 447,499.36

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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.