Home / 800,666.30-1,200,321.18-351,046.44

Finding the Fourth Proportional to 800,666.30, 1,200,321.18 and 351,046.44

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Solution

The fourth proportional to 800,666.30, 1,200,321.18 and 351,046.44 is: 526,272.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,666.30 : 1,200,321.18 = 351,046.44 : x
  2. Step 2: Convert to fraction form
    800,666.30/1,200,321.18 = 351,046.44/x
  3. Step 3: Cross multiply
    800,666.30x = 1,200,321.18 × 351,046.44
  4. Step 4: Simplify right side
    800,666.30x = 421,368,477,095.60
  5. Step 5: Solve for x
    x = 421,368,477,095.60/800,666.30
  6. Step 6: Final answer
    x = 526,272.28

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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.