Home / 680,766.80-1,021,261.03-201,043.15

Finding the Fourth Proportional to 680,766.80, 1,021,261.03 and 201,043.15

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Solution

The fourth proportional to 680,766.80, 1,021,261.03 and 201,043.15 is: 301,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,766.80 : 1,021,261.03 = 201,043.15 : x
  2. Step 2: Convert to fraction form
    680,766.80/1,021,261.03 = 201,043.15/x
  3. Step 3: Cross multiply
    680,766.80x = 1,021,261.03 × 201,043.15
  4. Step 4: Simplify right side
    680,766.80x = 205,317,531,387.68
  5. Step 5: Solve for x
    x = 205,317,531,387.68/680,766.80
  6. Step 6: Final answer
    x = 301,597.45

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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.