Finding the Fourth Proportional to 802,021.57, 1,202,938.70 and 322,230.02
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Solution
The fourth proportional to 802,021.57, 1,202,938.70 and 322,230.02 is: 483,307.39
Step by Step Solution
- Step 1: Write the proportion equation
802,021.57 : 1,202,938.70 = 322,230.02 : x - Step 2: Convert to fraction form
802,021.57/1,202,938.70 = 322,230.02/x - Step 3: Cross multiply
802,021.57x = 1,202,938.70 × 322,230.02 - Step 4: Simplify right side
802,021.57x = 387,622,953,733.93 - Step 5: Solve for x
x = 387,622,953,733.93/802,021.57 - Step 6: Final answer
x = 483,307.39
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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.