Home / 654,072.20-981,486.66-274,962.92

Finding the Fourth Proportional to 654,072.20, 981,486.66 and 274,962.92

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Solution

The fourth proportional to 654,072.20, 981,486.66 and 274,962.92 is: 412,603.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,072.20 : 981,486.66 = 274,962.92 : x
  2. Step 2: Convert to fraction form
    654,072.20/981,486.66 = 274,962.92/x
  3. Step 3: Cross multiply
    654,072.20x = 981,486.66 × 274,962.92
  4. Step 4: Simplify right side
    654,072.20x = 269,872,437,974.65
  5. Step 5: Solve for x
    x = 269,872,437,974.65/654,072.20
  6. Step 6: Final answer
    x = 412,603.44

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1.5x scale

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.