Finding the Fourth Proportional to 504,434.07, 696,126.74 and 274,991.49
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Solution
The fourth proportional to 504,434.07, 696,126.74 and 274,991.49 is: 379,492.47
Step by Step Solution
- Step 1: Write the proportion equation
504,434.07 : 696,126.74 = 274,991.49 : x - Step 2: Convert to fraction form
504,434.07/696,126.74 = 274,991.49/x - Step 3: Cross multiply
504,434.07x = 696,126.74 × 274,991.49 - Step 4: Simplify right side
504,434.07x = 191,428,929,461.44 - Step 5: Solve for x
x = 191,428,929,461.44/504,434.07 - Step 6: Final answer
x = 379,492.47
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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.