Finding the Fourth Proportional to 504,431.07, 696,122.60 and 274,988.49
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Solution
The fourth proportional to 504,431.07, 696,122.60 and 274,988.49 is: 379,488.32
Step by Step Solution
- Step 1: Write the proportion equation
504,431.07 : 696,122.60 = 274,988.49 : x - Step 2: Convert to fraction form
504,431.07/696,122.60 = 274,988.49/x - Step 3: Cross multiply
504,431.07x = 696,122.60 × 274,988.49 - Step 4: Simplify right side
504,431.07x = 191,425,701,253.93 - Step 5: Solve for x
x = 191,425,701,253.93/504,431.07 - Step 6: Final answer
x = 379,488.32
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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.