Finding the Fourth Proportional to 488,302.70, 674,091.36 and 325,230.59
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Solution
The fourth proportional to 488,302.70, 674,091.36 and 325,230.59 is: 448,973.82
Step by Step Solution
- Step 1: Write the proportion equation
488,302.70 : 674,091.36 = 325,230.59 : x - Step 2: Convert to fraction form
488,302.70/674,091.36 = 325,230.59/x - Step 3: Cross multiply
488,302.70x = 674,091.36 × 325,230.59 - Step 4: Simplify right side
488,302.70x = 219,235,125,730.09 - Step 5: Solve for x
x = 219,235,125,730.09/488,302.70 - Step 6: Final answer
x = 448,973.82
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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.