Home / 850,303.76-1,275,635.57-281,652.66

Finding the Fourth Proportional to 850,303.76, 1,275,635.57 and 281,652.66

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Solution

The fourth proportional to 850,303.76, 1,275,635.57 and 281,652.66 is: 422,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,303.76 : 1,275,635.57 = 281,652.66 : x
  2. Step 2: Convert to fraction form
    850,303.76/1,275,635.57 = 281,652.66/x
  3. Step 3: Cross multiply
    850,303.76x = 1,275,635.57 × 281,652.66
  4. Step 4: Simplify right side
    850,303.76x = 359,286,150,072.85
  5. Step 5: Solve for x
    x = 359,286,150,072.85/850,303.76
  6. Step 6: Final answer
    x = 422,538.59

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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.