Finding the Fourth Proportional to 576,419.70, 864,629.55 and 541,427.70
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Solution
The fourth proportional to 576,419.70, 864,629.55 and 541,427.70 is: 812,141.55
Step by Step Solution
- Step 1: Write the proportion equation
576,419.70 : 864,629.55 = 541,427.70 : x - Step 2: Convert to fraction form
576,419.70/864,629.55 = 541,427.70/x - Step 3: Cross multiply
576,419.70x = 864,629.55 × 541,427.70 - Step 4: Simplify right side
576,419.70x = 468,134,388,608.54 - Step 5: Solve for x
x = 468,134,388,608.54/576,419.70 - Step 6: Final answer
x = 812,141.55
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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.