Home / 680,640.30-1,021,024.70-200,869.92

Finding the Fourth Proportional to 680,640.30, 1,021,024.70 and 200,869.92

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Solution

The fourth proportional to 680,640.30, 1,021,024.70 and 200,869.92 is: 301,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,640.30 : 1,021,024.70 = 200,869.92 : x
  2. Step 2: Convert to fraction form
    680,640.30/1,021,024.70 = 200,869.92/x
  3. Step 3: Cross multiply
    680,640.30x = 1,021,024.70 × 200,869.92
  4. Step 4: Simplify right side
    680,640.30x = 205,093,148,802.67
  5. Step 5: Solve for x
    x = 205,093,148,802.67/680,640.30
  6. Step 6: Final answer
    x = 301,323.84

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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.