Finding the Fourth Proportional to 804,687.19, 1,207,584.38 and 331,372.53
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Solution
The fourth proportional to 804,687.19, 1,207,584.38 and 331,372.53 is: 497,286.77
Step by Step Solution
- Step 1: Write the proportion equation
804,687.19 : 1,207,584.38 = 331,372.53 : x - Step 2: Convert to fraction form
804,687.19/1,207,584.38 = 331,372.53/x - Step 3: Cross multiply
804,687.19x = 1,207,584.38 × 331,372.53 - Step 4: Simplify right side
804,687.19x = 400,160,292,017.51 - Step 5: Solve for x
x = 400,160,292,017.51/804,687.19 - Step 6: Final answer
x = 497,286.77
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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.