Home / 680,786.03-1,020,706.18-301,500.09

Finding the Fourth Proportional to 680,786.03, 1,020,706.18 and 301,500.09

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Solution

The fourth proportional to 680,786.03, 1,020,706.18 and 301,500.09 is: 452,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,786.03 : 1,020,706.18 = 301,500.09 : x
  2. Step 2: Convert to fraction form
    680,786.03/1,020,706.18 = 301,500.09/x
  3. Step 3: Cross multiply
    680,786.03x = 1,020,706.18 × 301,500.09
  4. Step 4: Simplify right side
    680,786.03x = 307,743,004,379.81
  5. Step 5: Solve for x
    x = 307,743,004,379.81/680,786.03
  6. Step 6: Final answer
    x = 452,040.71

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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.