Finding the Fourth Proportional to 793,691, 1,190,708.94 and 261,266.12
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Solution
The fourth proportional to 793,691, 1,190,708.94 and 261,266.12 is: 391,955.94
Step by Step Solution
- Step 1: Write the proportion equation
793,691 : 1,190,708.94 = 261,266.12 : x - Step 2: Convert to fraction form
793,691/1,190,708.94 = 261,266.12/x - Step 3: Cross multiply
793,691x = 1,190,708.94 × 261,266.12 - Step 4: Simplify right side
793,691x = 311,091,904,803.11 - Step 5: Solve for x
x = 311,091,904,803.11/793,691 - Step 6: Final answer
x = 391,955.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.