Home / 780,368.04-1,170,645.82-274,824.56

Finding the Fourth Proportional to 780,368.04, 1,170,645.82 and 274,824.56

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Solution

The fourth proportional to 780,368.04, 1,170,645.82 and 274,824.56 is: 412,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,368.04 : 1,170,645.82 = 274,824.56 : x
  2. Step 2: Convert to fraction form
    780,368.04/1,170,645.82 = 274,824.56/x
  3. Step 3: Cross multiply
    780,368.04x = 1,170,645.82 × 274,824.56
  4. Step 4: Simplify right side
    780,368.04x = 321,722,224,636.89
  5. Step 5: Solve for x
    x = 321,722,224,636.89/780,368.04
  6. Step 6: Final answer
    x = 412,269.86

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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.