Finding the Fourth Proportional to 819,975.05, 1,230,317.81 and 440,452.99
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Solution
The fourth proportional to 819,975.05, 1,230,317.81 and 440,452.99 is: 660,870.30
Step by Step Solution
- Step 1: Write the proportion equation
819,975.05 : 1,230,317.81 = 440,452.99 : x - Step 2: Convert to fraction form
819,975.05/1,230,317.81 = 440,452.99/x - Step 3: Cross multiply
819,975.05x = 1,230,317.81 × 440,452.99 - Step 4: Simplify right side
819,975.05x = 541,897,159,052.08 - Step 5: Solve for x
x = 541,897,159,052.08/819,975.05 - Step 6: Final answer
x = 660,870.30
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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.