Home / 780,180.86-1,169,804.28-324,222.27

Finding the Fourth Proportional to 780,180.86, 1,169,804.28 and 324,222.27

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Solution

The fourth proportional to 780,180.86, 1,169,804.28 and 324,222.27 is: 486,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,180.86 : 1,169,804.28 = 324,222.27 : x
  2. Step 2: Convert to fraction form
    780,180.86/1,169,804.28 = 324,222.27/x
  3. Step 3: Cross multiply
    780,180.86x = 1,169,804.28 × 324,222.27
  4. Step 4: Simplify right side
    780,180.86x = 379,276,599,117.32
  5. Step 5: Solve for x
    x = 379,276,599,117.32/780,180.86
  6. Step 6: Final answer
    x = 486,139.33

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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.