Finding the Fourth Proportional to 726,896.18, 1,090,344 and 194,403.38
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Solution
The fourth proportional to 726,896.18, 1,090,344 and 194,403.38 is: 291,604.99
Step by Step Solution
- Step 1: Write the proportion equation
726,896.18 : 1,090,344 = 194,403.38 : x - Step 2: Convert to fraction form
726,896.18/1,090,344 = 194,403.38/x - Step 3: Cross multiply
726,896.18x = 1,090,344 × 194,403.38 - Step 4: Simplify right side
726,896.18x = 211,966,553,511 - Step 5: Solve for x
x = 211,966,553,511/726,896.18 - Step 6: Final answer
x = 291,604.99
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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.