Finding the Fourth Proportional to 763,729.09, 1,053,828.97 and 441,376.93
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Solution
The fourth proportional to 763,729.09, 1,053,828.97 and 441,376.93 is: 609,032.45
Step by Step Solution
- Step 1: Write the proportion equation
763,729.09 : 1,053,828.97 = 441,376.93 : x - Step 2: Convert to fraction form
763,729.09/1,053,828.97 = 441,376.93/x - Step 3: Cross multiply
763,729.09x = 1,053,828.97 × 441,376.93 - Step 4: Simplify right side
763,729.09x = 465,135,795,523.66 - Step 5: Solve for x
x = 465,135,795,523.66/763,729.09 - Step 6: Final answer
x = 609,032.45
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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.