Home / 680,097.17-1,020,202.86-206,786.63

Finding the Fourth Proportional to 680,097.17, 1,020,202.86 and 206,786.63

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Solution

The fourth proportional to 680,097.17, 1,020,202.86 and 206,786.63 is: 310,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,097.17 : 1,020,202.86 = 206,786.63 : x
  2. Step 2: Convert to fraction form
    680,097.17/1,020,202.86 = 206,786.63/x
  3. Step 3: Cross multiply
    680,097.17x = 1,020,202.86 × 206,786.63
  4. Step 4: Simplify right side
    680,097.17x = 210,964,311,335.76
  5. Step 5: Solve for x
    x = 210,964,311,335.76/680,097.17
  6. Step 6: Final answer
    x = 310,197.31

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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.