Home / 609,629.20-912,370.20-534,979.60

Finding the Fourth Proportional to 609,629.20, 912,370.20 and 534,979.60

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Solution

The fourth proportional to 609,629.20, 912,370.20 and 534,979.60 is: 800,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,629.20 : 912,370.20 = 534,979.60 : x
  2. Step 2: Convert to fraction form
    609,629.20/912,370.20 = 534,979.60/x
  3. Step 3: Cross multiply
    609,629.20x = 912,370.20 × 534,979.60
  4. Step 4: Simplify right side
    609,629.20x = 488,099,444,647.92
  5. Step 5: Solve for x
    x = 488,099,444,647.92/609,629.20
  6. Step 6: Final answer
    x = 800,649.71

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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.