Finding the Fourth Proportional to 719,984.40, 993,572.24 and 397,716.99
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Solution
The fourth proportional to 719,984.40, 993,572.24 and 397,716.99 is: 548,846.00
Step by Step Solution
- Step 1: Write the proportion equation
719,984.40 : 993,572.24 = 397,716.99 : x - Step 2: Convert to fraction form
719,984.40/993,572.24 = 397,716.99/x - Step 3: Cross multiply
719,984.40x = 993,572.24 × 397,716.99 - Step 4: Simplify right side
719,984.40x = 395,160,558,651.77 - Step 5: Solve for x
x = 395,160,558,651.77/719,984.40 - Step 6: Final answer
x = 548,846.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.