Home / 789,954.48-1,185,054.60-257,351.52

Finding the Fourth Proportional to 789,954.48, 1,185,054.60 and 257,351.52

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Solution

The fourth proportional to 789,954.48, 1,185,054.60 and 257,351.52 is: 386,067.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,954.48 : 1,185,054.60 = 257,351.52 : x
  2. Step 2: Convert to fraction form
    789,954.48/1,185,054.60 = 257,351.52/x
  3. Step 3: Cross multiply
    789,954.48x = 1,185,054.60 × 257,351.52
  4. Step 4: Simplify right side
    789,954.48x = 304,975,602,592.99
  5. Step 5: Solve for x
    x = 304,975,602,592.99/789,954.48
  6. Step 6: Final answer
    x = 386,067.31

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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.