Finding the Fourth Proportional to 719,534.41, 992,958.96 and 397,245.13
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Solution
The fourth proportional to 719,534.41, 992,958.96 and 397,245.13 is: 548,199.09
Step by Step Solution
- Step 1: Write the proportion equation
719,534.41 : 992,958.96 = 397,245.13 : x - Step 2: Convert to fraction form
719,534.41/992,958.96 = 397,245.13/x - Step 3: Cross multiply
719,534.41x = 992,958.96 × 397,245.13 - Step 4: Simplify right side
719,534.41x = 394,448,111,149.87 - Step 5: Solve for x
x = 394,448,111,149.87/719,534.41 - Step 6: Final answer
x = 548,199.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.