Finding the Fourth Proportional to 659,353.26, 910,084.92 and 387,603.26
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Solution
The fourth proportional to 659,353.26, 910,084.92 and 387,603.26 is: 534,996.80
Step by Step Solution
- Step 1: Write the proportion equation
659,353.26 : 910,084.92 = 387,603.26 : x - Step 2: Convert to fraction form
659,353.26/910,084.92 = 387,603.26/x - Step 3: Cross multiply
659,353.26x = 910,084.92 × 387,603.26 - Step 4: Simplify right side
659,353.26x = 352,751,881,868.84 - Step 5: Solve for x
x = 352,751,881,868.84/659,353.26 - Step 6: Final answer
x = 534,996.80
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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.