Finding the Fourth Proportional to 876,622.10, 1,315,064.62 and 307,902.94
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Solution
The fourth proportional to 876,622.10, 1,315,064.62 and 307,902.94 is: 461,900.58
Step by Step Solution
- Step 1: Write the proportion equation
876,622.10 : 1,315,064.62 = 307,902.94 : x - Step 2: Convert to fraction form
876,622.10/1,315,064.62 = 307,902.94/x - Step 3: Cross multiply
876,622.10x = 1,315,064.62 × 307,902.94 - Step 4: Simplify right side
876,622.10x = 404,912,258,153.25 - Step 5: Solve for x
x = 404,912,258,153.25/876,622.10 - Step 6: Final answer
x = 461,900.58
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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.