Home / 777,620.25-1,166,430.38-186,644.25

Finding the Fourth Proportional to 777,620.25, 1,166,430.38 and 186,644.25

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Solution

The fourth proportional to 777,620.25, 1,166,430.38 and 186,644.25 is: 279,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,620.25 : 1,166,430.38 = 186,644.25 : x
  2. Step 2: Convert to fraction form
    777,620.25/1,166,430.38 = 186,644.25/x
  3. Step 3: Cross multiply
    777,620.25x = 1,166,430.38 × 186,644.25
  4. Step 4: Simplify right side
    777,620.25x = 217,707,522,519.09
  5. Step 5: Solve for x
    x = 217,707,522,519.09/777,620.25
  6. Step 6: Final answer
    x = 279,966.38

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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.