Home / 680,637.60-1,020,718.39-200,738.11

Finding the Fourth Proportional to 680,637.60, 1,020,718.39 and 200,738.11

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Solution

The fourth proportional to 680,637.60, 1,020,718.39 and 200,738.11 is: 301,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,637.60 : 1,020,718.39 = 200,738.11 : x
  2. Step 2: Convert to fraction form
    680,637.60/1,020,718.39 = 200,738.11/x
  3. Step 3: Cross multiply
    680,637.60x = 1,020,718.39 × 200,738.11
  4. Step 4: Simplify right side
    680,637.60x = 204,897,080,450.84
  5. Step 5: Solve for x
    x = 204,897,080,450.84/680,637.60
  6. Step 6: Final answer
    x = 301,036.97

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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.