Home / 680,642.19-1,021,027.52-200,871.80

Finding the Fourth Proportional to 680,642.19, 1,021,027.52 and 200,871.80

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Solution

The fourth proportional to 680,642.19, 1,021,027.52 and 200,871.80 is: 301,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,642.19 : 1,021,027.52 = 200,871.80 : x
  2. Step 2: Convert to fraction form
    680,642.19/1,021,027.52 = 200,871.80/x
  3. Step 3: Cross multiply
    680,642.19x = 1,021,027.52 × 200,871.80
  4. Step 4: Simplify right side
    680,642.19x = 205,095,629,682.44
  5. Step 5: Solve for x
    x = 205,095,629,682.44/680,642.19
  6. Step 6: Final answer
    x = 301,326.65

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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.