Home / 455,052.28-682,046.86-342,370.42

Finding the Fourth Proportional to 455,052.28, 682,046.86 and 342,370.42

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Solution

The fourth proportional to 455,052.28, 682,046.86 and 342,370.42 is: 513,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,052.28 : 682,046.86 = 342,370.42 : x
  2. Step 2: Convert to fraction form
    455,052.28/682,046.86 = 342,370.42/x
  3. Step 3: Cross multiply
    455,052.28x = 682,046.86 × 342,370.42
  4. Step 4: Simplify right side
    455,052.28x = 233,512,669,917.88
  5. Step 5: Solve for x
    x = 233,512,669,917.88/455,052.28
  6. Step 6: Final answer
    x = 513,155.70

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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.