Finding the Fourth Proportional to 660,544.41, 990,811.32 and 392,529.99
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Solution
The fourth proportional to 660,544.41, 990,811.32 and 392,529.99 is: 588,791.84
Step by Step Solution
- Step 1: Write the proportion equation
660,544.41 : 990,811.32 = 392,529.99 : x - Step 2: Convert to fraction form
660,544.41/990,811.32 = 392,529.99/x - Step 3: Cross multiply
660,544.41x = 990,811.32 × 392,529.99 - Step 4: Simplify right side
660,544.41x = 388,923,157,531.49 - Step 5: Solve for x
x = 388,923,157,531.49/660,544.41 - Step 6: Final answer
x = 588,791.84
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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.