Home / 780,180.42-1,170,494.80-324,683

Finding the Fourth Proportional to 780,180.42, 1,170,494.80 and 324,683

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Solution

The fourth proportional to 780,180.42, 1,170,494.80 and 324,683 is: 487,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,180.42 : 1,170,494.80 = 324,683 : x
  2. Step 2: Convert to fraction form
    780,180.42/1,170,494.80 = 324,683/x
  3. Step 3: Cross multiply
    780,180.42x = 1,170,494.80 × 324,683
  4. Step 4: Simplify right side
    780,180.42x = 380,039,763,148.40
  5. Step 5: Solve for x
    x = 380,039,763,148.40/780,180.42
  6. Step 6: Final answer
    x = 487,117.79

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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.