Home / 655,339.55-981,749.84-401,880.96

Finding the Fourth Proportional to 655,339.55, 981,749.84 and 401,880.96

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Solution

The fourth proportional to 655,339.55, 981,749.84 and 401,880.96 is: 602,049.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,339.55 : 981,749.84 = 401,880.96 : x
  2. Step 2: Convert to fraction form
    655,339.55/981,749.84 = 401,880.96/x
  3. Step 3: Cross multiply
    655,339.55x = 981,749.84 × 401,880.96
  4. Step 4: Simplify right side
    655,339.55x = 394,546,566,169.64
  5. Step 5: Solve for x
    x = 394,546,566,169.64/655,339.55
  6. Step 6: Final answer
    x = 602,049.07

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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.