Home / 780,180.93-1,170,495.56-324,683.50

Finding the Fourth Proportional to 780,180.93, 1,170,495.56 and 324,683.50

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Solution

The fourth proportional to 780,180.93, 1,170,495.56 and 324,683.50 is: 487,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,180.93 : 1,170,495.56 = 324,683.50 : x
  2. Step 2: Convert to fraction form
    780,180.93/1,170,495.56 = 324,683.50/x
  3. Step 3: Cross multiply
    780,180.93x = 1,170,495.56 × 324,683.50
  4. Step 4: Simplify right side
    780,180.93x = 380,040,595,155.26
  5. Step 5: Solve for x
    x = 380,040,595,155.26/780,180.93
  6. Step 6: Final answer
    x = 487,118.54

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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.