Home / 726,258.51-1,089,387.87-193,781.52

Finding the Fourth Proportional to 726,258.51, 1,089,387.87 and 193,781.52

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Solution

The fourth proportional to 726,258.51, 1,089,387.87 and 193,781.52 is: 290,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,258.51 : 1,089,387.87 = 193,781.52 : x
  2. Step 2: Convert to fraction form
    726,258.51/1,089,387.87 = 193,781.52/x
  3. Step 3: Cross multiply
    726,258.51x = 1,089,387.87 × 193,781.52
  4. Step 4: Simplify right side
    726,258.51x = 211,103,237,318.16
  5. Step 5: Solve for x
    x = 211,103,237,318.16/726,258.51
  6. Step 6: Final answer
    x = 290,672.31

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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.