Finding the Fourth Proportional to 730,985.30, 1,096,664.97 and 281,585.49
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Solution
The fourth proportional to 730,985.30, 1,096,664.97 and 281,585.49 is: 422,450.28
Step by Step Solution
- Step 1: Write the proportion equation
730,985.30 : 1,096,664.97 = 281,585.49 : x - Step 2: Convert to fraction form
730,985.30/1,096,664.97 = 281,585.49/x - Step 3: Cross multiply
730,985.30x = 1,096,664.97 × 281,585.49 - Step 4: Simplify right side
730,985.30x = 308,804,942,943.29 - Step 5: Solve for x
x = 308,804,942,943.29/730,985.30 - Step 6: Final answer
x = 422,450.28
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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.