Home / 804,980.45-1,207,458.33-205,936.53

Finding the Fourth Proportional to 804,980.45, 1,207,458.33 and 205,936.53

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Solution

The fourth proportional to 804,980.45, 1,207,458.33 and 205,936.53 is: 308,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,980.45 : 1,207,458.33 = 205,936.53 : x
  2. Step 2: Convert to fraction form
    804,980.45/1,207,458.33 = 205,936.53/x
  3. Step 3: Cross multiply
    804,980.45x = 1,207,458.33 × 205,936.53
  4. Step 4: Simplify right side
    804,980.45x = 248,659,778,599.80
  5. Step 5: Solve for x
    x = 248,659,778,599.80/804,980.45
  6. Step 6: Final answer
    x = 308,901.64

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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.