Home / 907,389.36-1,361,287.44-276,352.56

Finding the Fourth Proportional to 907,389.36, 1,361,287.44 and 276,352.56

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Solution

The fourth proportional to 907,389.36, 1,361,287.44 and 276,352.56 is: 414,590.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,389.36 : 1,361,287.44 = 276,352.56 : x
  2. Step 2: Convert to fraction form
    907,389.36/1,361,287.44 = 276,352.56/x
  3. Step 3: Cross multiply
    907,389.36x = 1,361,287.44 × 276,352.56
  4. Step 4: Simplify right side
    907,389.36x = 376,195,268,939.85
  5. Step 5: Solve for x
    x = 376,195,268,939.85/907,389.36
  6. Step 6: Final answer
    x = 414,590.79

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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.