Finding the Fourth Proportional to 622,765.44, 859,419.38 and 350,837.62
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Solution
The fourth proportional to 622,765.44, 859,419.38 and 350,837.62 is: 484,157.65
Step by Step Solution
- Step 1: Write the proportion equation
622,765.44 : 859,419.38 = 350,837.62 : x - Step 2: Convert to fraction form
622,765.44/859,419.38 = 350,837.62/x - Step 3: Cross multiply
622,765.44x = 859,419.38 × 350,837.62 - Step 4: Simplify right side
622,765.44x = 301,516,649,861.08 - Step 5: Solve for x
x = 301,516,649,861.08/622,765.44 - Step 6: Final answer
x = 484,157.65
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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.