Finding the Fourth Proportional to 655,540.19, 904,731.73 and 369,116.09
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Solution
The fourth proportional to 655,540.19, 904,731.73 and 369,116.09 is: 509,428.78
Step by Step Solution
- Step 1: Write the proportion equation
655,540.19 : 904,731.73 = 369,116.09 : x - Step 2: Convert to fraction form
655,540.19/904,731.73 = 369,116.09/x - Step 3: Cross multiply
655,540.19x = 904,731.73 × 369,116.09 - Step 4: Simplify right side
655,540.19x = 333,951,036,622.83 - Step 5: Solve for x
x = 333,951,036,622.83/655,540.19 - Step 6: Final answer
x = 509,428.78
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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.