Home / 770,626.54-1,155,653.07-265,045.60

Finding the Fourth Proportional to 770,626.54, 1,155,653.07 and 265,045.60

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Solution

The fourth proportional to 770,626.54, 1,155,653.07 and 265,045.60 is: 397,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,626.54 : 1,155,653.07 = 265,045.60 : x
  2. Step 2: Convert to fraction form
    770,626.54/1,155,653.07 = 265,045.60/x
  3. Step 3: Cross multiply
    770,626.54x = 1,155,653.07 × 265,045.60
  4. Step 4: Simplify right side
    770,626.54x = 306,300,761,329.99
  5. Step 5: Solve for x
    x = 306,300,761,329.99/770,626.54
  6. Step 6: Final answer
    x = 397,469.78

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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.