Finding the Fourth Proportional to 873,427.11, 1,205,326.92 and 491,453.92
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Solution
The fourth proportional to 873,427.11, 1,205,326.92 and 491,453.92 is: 678,205.01
Step by Step Solution
- Step 1: Write the proportion equation
873,427.11 : 1,205,326.92 = 491,453.92 : x - Step 2: Convert to fraction form
873,427.11/1,205,326.92 = 491,453.92/x - Step 3: Cross multiply
873,427.11x = 1,205,326.92 × 491,453.92 - Step 4: Simplify right side
873,427.11x = 592,362,639,715.53 - Step 5: Solve for x
x = 592,362,639,715.53/873,427.11 - Step 6: Final answer
x = 678,205.01
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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.