Finding the Fourth Proportional to 891,239.81, 1,229,902.56 and 483,350.65
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Solution
The fourth proportional to 891,239.81, 1,229,902.56 and 483,350.65 is: 667,019.35
Step by Step Solution
- Step 1: Write the proportion equation
891,239.81 : 1,229,902.56 = 483,350.65 : x - Step 2: Convert to fraction form
891,239.81/1,229,902.56 = 483,350.65/x - Step 3: Cross multiply
891,239.81x = 1,229,902.56 × 483,350.65 - Step 4: Simplify right side
891,239.81x = 594,474,198,737.91 - Step 5: Solve for x
x = 594,474,198,737.91/891,239.81 - Step 6: Final answer
x = 667,019.35
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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.