Finding the Fourth Proportional to 770,164.93, 1,062,473.99 and 498,321.44
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Solution
The fourth proportional to 770,164.93, 1,062,473.99 and 498,321.44 is: 687,454.79
Step by Step Solution
- Step 1: Write the proportion equation
770,164.93 : 1,062,473.99 = 498,321.44 : x - Step 2: Convert to fraction form
770,164.93/1,062,473.99 = 498,321.44/x - Step 3: Cross multiply
770,164.93x = 1,062,473.99 × 498,321.44 - Step 4: Simplify right side
770,164.93x = 529,453,568,659.35 - Step 5: Solve for x
x = 529,453,568,659.35/770,164.93 - Step 6: Final answer
x = 687,454.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.