Home / 828,115.76-1,242,436.08-295,625

Finding the Fourth Proportional to 828,115.76, 1,242,436.08 and 295,625

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Solution

The fourth proportional to 828,115.76, 1,242,436.08 and 295,625 is: 443,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,115.76 : 1,242,436.08 = 295,625 : x
  2. Step 2: Convert to fraction form
    828,115.76/1,242,436.08 = 295,625/x
  3. Step 3: Cross multiply
    828,115.76x = 1,242,436.08 × 295,625
  4. Step 4: Simplify right side
    828,115.76x = 367,295,166,150
  5. Step 5: Solve for x
    x = 367,295,166,150/828,115.76
  6. Step 6: Final answer
    x = 443,531.19

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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.