Home / 726,261.51-1,089,392.37-193,784.52

Finding the Fourth Proportional to 726,261.51, 1,089,392.37 and 193,784.52

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Solution

The fourth proportional to 726,261.51, 1,089,392.37 and 193,784.52 is: 290,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,261.51 : 1,089,392.37 = 193,784.52 : x
  2. Step 2: Convert to fraction form
    726,261.51/1,089,392.37 = 193,784.52/x
  3. Step 3: Cross multiply
    726,261.51x = 1,089,392.37 × 193,784.52
  4. Step 4: Simplify right side
    726,261.51x = 211,107,377,512.11
  5. Step 5: Solve for x
    x = 211,107,377,512.11/726,261.51
  6. Step 6: Final answer
    x = 290,676.81

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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.