Home / 488,028.96-673,352.04-281,246.76

Finding the Fourth Proportional to 488,028.96, 673,352.04 and 281,246.76

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Solution

The fourth proportional to 488,028.96, 673,352.04 and 281,246.76 is: 388,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,028.96 : 673,352.04 = 281,246.76 : x
  2. Step 2: Convert to fraction form
    488,028.96/673,352.04 = 281,246.76/x
  3. Step 3: Cross multiply
    488,028.96x = 673,352.04 × 281,246.76
  4. Step 4: Simplify right side
    488,028.96x = 189,378,079,589.39
  5. Step 5: Solve for x
    x = 189,378,079,589.39/488,028.96
  6. Step 6: Final answer
    x = 388,046.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.