Finding the Fourth Proportional to 659,982.49, 910,644.10 and 401,686.43
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Solution
The fourth proportional to 659,982.49, 910,644.10 and 401,686.43 is: 554,247.09
Step by Step Solution
- Step 1: Write the proportion equation
659,982.49 : 910,644.10 = 401,686.43 : x - Step 2: Convert to fraction form
659,982.49/910,644.10 = 401,686.43/x - Step 3: Cross multiply
659,982.49x = 910,644.10 × 401,686.43 - Step 4: Simplify right side
659,982.49x = 365,793,371,972.13 - Step 5: Solve for x
x = 365,793,371,972.13/659,982.49 - Step 6: Final answer
x = 554,247.09
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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.