Finding the Fourth Proportional to 690,897.44, 1,036,346.17 and 269,878.06
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Solution
The fourth proportional to 690,897.44, 1,036,346.17 and 269,878.06 is: 404,817.09
Step by Step Solution
- Step 1: Write the proportion equation
690,897.44 : 1,036,346.17 = 269,878.06 : x - Step 2: Convert to fraction form
690,897.44/1,036,346.17 = 269,878.06/x - Step 3: Cross multiply
690,897.44x = 1,036,346.17 × 269,878.06 - Step 4: Simplify right side
690,897.44x = 279,687,093,848.03 - Step 5: Solve for x
x = 279,687,093,848.03/690,897.44 - Step 6: Final answer
x = 404,817.09
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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.