Home / 856,446.66-1,181,811.87-488,928.42

Finding the Fourth Proportional to 856,446.66, 1,181,811.87 and 488,928.42

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Solution

The fourth proportional to 856,446.66, 1,181,811.87 and 488,928.42 is: 674,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,446.66 : 1,181,811.87 = 488,928.42 : x
  2. Step 2: Convert to fraction form
    856,446.66/1,181,811.87 = 488,928.42/x
  3. Step 3: Cross multiply
    856,446.66x = 1,181,811.87 × 488,928.42
  4. Step 4: Simplify right side
    856,446.66x = 577,821,410,336.35
  5. Step 5: Solve for x
    x = 577,821,410,336.35/856,446.66
  6. Step 6: Final answer
    x = 674,672.97

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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.