Home / 800,665.30-1,200,319.68-351,045.44

Finding the Fourth Proportional to 800,665.30, 1,200,319.68 and 351,045.44

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Solution

The fourth proportional to 800,665.30, 1,200,319.68 and 351,045.44 is: 526,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,665.30 : 1,200,319.68 = 351,045.44 : x
  2. Step 2: Convert to fraction form
    800,665.30/1,200,319.68 = 351,045.44/x
  3. Step 3: Cross multiply
    800,665.30x = 1,200,319.68 × 351,045.44
  4. Step 4: Simplify right side
    800,665.30x = 421,366,750,206.26
  5. Step 5: Solve for x
    x = 421,366,750,206.26/800,665.30
  6. Step 6: Final answer
    x = 526,270.78

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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.