Home / 780,792.67-1,171,172.80-248,314.87

Finding the Fourth Proportional to 780,792.67, 1,171,172.80 and 248,314.87

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Solution

The fourth proportional to 780,792.67, 1,171,172.80 and 248,314.87 is: 372,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,792.67 : 1,171,172.80 = 248,314.87 : x
  2. Step 2: Convert to fraction form
    780,792.67/1,171,172.80 = 248,314.87/x
  3. Step 3: Cross multiply
    780,792.67x = 1,171,172.80 × 248,314.87
  4. Step 4: Simplify right side
    780,792.67x = 290,819,621,579.54
  5. Step 5: Solve for x
    x = 290,819,621,579.54/780,792.67
  6. Step 6: Final answer
    x = 372,467.15

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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.