Home / 680,095.92-1,020,200.99-206,785.38

Finding the Fourth Proportional to 680,095.92, 1,020,200.99 and 206,785.38

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Solution

The fourth proportional to 680,095.92, 1,020,200.99 and 206,785.38 is: 310,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,095.92 : 1,020,200.99 = 206,785.38 : x
  2. Step 2: Convert to fraction form
    680,095.92/1,020,200.99 = 206,785.38/x
  3. Step 3: Cross multiply
    680,095.92x = 1,020,200.99 × 206,785.38
  4. Step 4: Simplify right side
    680,095.92x = 210,962,648,359.60
  5. Step 5: Solve for x
    x = 210,962,648,359.60/680,095.92
  6. Step 6: Final answer
    x = 310,195.43

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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.