Home / 680,634.60-1,020,713.90-200,735.11

Finding the Fourth Proportional to 680,634.60, 1,020,713.90 and 200,735.11

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Solution

The fourth proportional to 680,634.60, 1,020,713.90 and 200,735.11 is: 301,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,634.60 : 1,020,713.90 = 200,735.11 : x
  2. Step 2: Convert to fraction form
    680,634.60/1,020,713.90 = 200,735.11/x
  3. Step 3: Cross multiply
    680,634.60x = 1,020,713.90 × 200,735.11
  4. Step 4: Simplify right side
    680,634.60x = 204,893,116,995.03
  5. Step 5: Solve for x
    x = 204,893,116,995.03/680,634.60
  6. Step 6: Final answer
    x = 301,032.47

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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.