Home / 850,278.57-1,275,597.77-281,627.48

Finding the Fourth Proportional to 850,278.57, 1,275,597.77 and 281,627.48

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Solution

The fourth proportional to 850,278.57, 1,275,597.77 and 281,627.48 is: 422,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,278.57 : 1,275,597.77 = 281,627.48 : x
  2. Step 2: Convert to fraction form
    850,278.57/1,275,597.77 = 281,627.48/x
  3. Step 3: Cross multiply
    850,278.57x = 1,275,597.77 × 281,627.48
  4. Step 4: Simplify right side
    850,278.57x = 359,243,377,672.59
  5. Step 5: Solve for x
    x = 359,243,377,672.59/850,278.57
  6. Step 6: Final answer
    x = 422,500.80

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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.