Finding the Fourth Proportional to 726,815.99, 1,090,138.13 and 194,378.29
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Solution
The fourth proportional to 726,815.99, 1,090,138.13 and 194,378.29 is: 291,544.47
Step by Step Solution
- Step 1: Write the proportion equation
726,815.99 : 1,090,138.13 = 194,378.29 : x - Step 2: Convert to fraction form
726,815.99/1,090,138.13 = 194,378.29/x - Step 3: Cross multiply
726,815.99x = 1,090,138.13 × 194,378.29 - Step 4: Simplify right side
726,815.99x = 211,899,182,604.88 - Step 5: Solve for x
x = 211,899,182,604.88/726,815.99 - Step 6: Final answer
x = 291,544.47
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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.