Home / 800,010.08-1,200,605.68-379,287.52

Finding the Fourth Proportional to 800,010.08, 1,200,605.68 and 379,287.52

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Solution

The fourth proportional to 800,010.08, 1,200,605.68 and 379,287.52 is: 569,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,010.08 : 1,200,605.68 = 379,287.52 : x
  2. Step 2: Convert to fraction form
    800,010.08/1,200,605.68 = 379,287.52/x
  3. Step 3: Cross multiply
    800,010.08x = 1,200,605.68 × 379,287.52
  4. Step 4: Simplify right side
    800,010.08x = 455,374,750,865.11
  5. Step 5: Solve for x
    x = 455,374,750,865.11/800,010.08
  6. Step 6: Final answer
    x = 569,211.27

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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.