Finding the Fourth Proportional to 788,548.59, 1,088,195.99 and 449,016.84
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Solution
The fourth proportional to 788,548.59, 1,088,195.99 and 449,016.84 is: 619,642.63
Step by Step Solution
- Step 1: Write the proportion equation
788,548.59 : 1,088,195.99 = 449,016.84 : x - Step 2: Convert to fraction form
788,548.59/1,088,195.99 = 449,016.84/x - Step 3: Cross multiply
788,548.59x = 1,088,195.99 × 449,016.84 - Step 4: Simplify right side
788,548.59x = 488,618,322,485.39 - Step 5: Solve for x
x = 488,618,322,485.39/788,548.59 - Step 6: Final answer
x = 619,642.63
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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.