Finding the Fourth Proportional to 379,640.74, 569,461.02 and 347,961.82
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Solution
The fourth proportional to 379,640.74, 569,461.02 and 347,961.82 is: 521,942.65
Step by Step Solution
- Step 1: Write the proportion equation
379,640.74 : 569,461.02 = 347,961.82 : x - Step 2: Convert to fraction form
379,640.74/569,461.02 = 347,961.82/x - Step 3: Cross multiply
379,640.74x = 569,461.02 × 347,961.82 - Step 4: Simplify right side
379,640.74x = 198,150,692,938.26 - Step 5: Solve for x
x = 198,150,692,938.26/379,640.74 - Step 6: Final answer
x = 521,942.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.