Finding the Fourth Proportional to 622,064.70, 858,447.18 and 350,132.44
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Solution
The fourth proportional to 622,064.70, 858,447.18 and 350,132.44 is: 483,181.58
Step by Step Solution
- Step 1: Write the proportion equation
622,064.70 : 858,447.18 = 350,132.44 : x - Step 2: Convert to fraction form
622,064.70/858,447.18 = 350,132.44/x - Step 3: Cross multiply
622,064.70x = 858,447.18 × 350,132.44 - Step 4: Simplify right side
622,064.70x = 300,570,204,473.73 - Step 5: Solve for x
x = 300,570,204,473.73/622,064.70 - Step 6: Final answer
x = 483,181.58
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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.