Finding the Fourth Proportional to 993,716.00, 1,490,574.47 and 319,797.23
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Solution
The fourth proportional to 993,716.00, 1,490,574.47 and 319,797.23 is: 479,695.99
Step by Step Solution
- Step 1: Write the proportion equation
993,716.00 : 1,490,574.47 = 319,797.23 : x - Step 2: Convert to fraction form
993,716.00/1,490,574.47 = 319,797.23/x - Step 3: Cross multiply
993,716.00x = 1,490,574.47 × 319,797.23 - Step 4: Simplify right side
993,716.00x = 476,681,579,361.72 - Step 5: Solve for x
x = 476,681,579,361.72/993,716.00 - Step 6: Final answer
x = 479,695.99
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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.