Finding the Fourth Proportional to 722,427.10, 1,082,884.09 and 242,537.11
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Solution
The fourth proportional to 722,427.10, 1,082,884.09 and 242,537.11 is: 363,551.67
Step by Step Solution
- Step 1: Write the proportion equation
722,427.10 : 1,082,884.09 = 242,537.11 : x - Step 2: Convert to fraction form
722,427.10/1,082,884.09 = 242,537.11/x - Step 3: Cross multiply
722,427.10x = 1,082,884.09 × 242,537.11 - Step 4: Simplify right side
722,427.10x = 262,639,577,840.40 - Step 5: Solve for x
x = 262,639,577,840.40/722,427.10 - Step 6: Final answer
x = 363,551.67
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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.