Home / 680,301.70-1,020,600.15-206,974.75

Finding the Fourth Proportional to 680,301.70, 1,020,600.15 and 206,974.75

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Solution

The fourth proportional to 680,301.70, 1,020,600.15 and 206,974.75 is: 310,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,301.70 : 1,020,600.15 = 206,974.75 : x
  2. Step 2: Convert to fraction form
    680,301.70/1,020,600.15 = 206,974.75/x
  3. Step 3: Cross multiply
    680,301.70x = 1,020,600.15 × 206,974.75
  4. Step 4: Simplify right side
    680,301.70x = 211,238,460,896.21
  5. Step 5: Solve for x
    x = 211,238,460,896.21/680,301.70
  6. Step 6: Final answer
    x = 310,507.03

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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.