Home / 680,641.80-1,021,026.96-200,871.42

Finding the Fourth Proportional to 680,641.80, 1,021,026.96 and 200,871.42

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Solution

The fourth proportional to 680,641.80, 1,021,026.96 and 200,871.42 is: 301,326.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,641.80 : 1,021,026.96 = 200,871.42 : x
  2. Step 2: Convert to fraction form
    680,641.80/1,021,026.96 = 200,871.42/x
  3. Step 3: Cross multiply
    680,641.80x = 1,021,026.96 × 200,871.42
  4. Step 4: Simplify right side
    680,641.80x = 205,095,135,313.48
  5. Step 5: Solve for x
    x = 205,095,135,313.48/680,641.80
  6. Step 6: Final answer
    x = 301,326.09

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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.