Finding the Fourth Proportional to 622,836.97, 859,515.03 and 336,357.06
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Solution
The fourth proportional to 622,836.97, 859,515.03 and 336,357.06 is: 464,172.75
Step by Step Solution
- Step 1: Write the proportion equation
622,836.97 : 859,515.03 = 336,357.06 : x - Step 2: Convert to fraction form
622,836.97/859,515.03 = 336,357.06/x - Step 3: Cross multiply
622,836.97x = 859,515.03 × 336,357.06 - Step 4: Simplify right side
622,836.97x = 289,103,948,516.61 - Step 5: Solve for x
x = 289,103,948,516.61/622,836.97 - Step 6: Final answer
x = 464,172.75
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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.