Home / 676,708.40-1,015,208.40-203,441.60

Finding the Fourth Proportional to 676,708.40, 1,015,208.40 and 203,441.60

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Solution

The fourth proportional to 676,708.40, 1,015,208.40 and 203,441.60 is: 305,206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,708.40 : 1,015,208.40 = 203,441.60 : x
  2. Step 2: Convert to fraction form
    676,708.40/1,015,208.40 = 203,441.60/x
  3. Step 3: Cross multiply
    676,708.40x = 1,015,208.40 × 203,441.60
  4. Step 4: Simplify right side
    676,708.40x = 206,535,621,229.44
  5. Step 5: Solve for x
    x = 206,535,621,229.44/676,708.40
  6. Step 6: Final answer
    x = 305,206.23

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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.