Finding the Fourth Proportional to 635,361.12, 876,813.66 and 344,985.03
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Solution
The fourth proportional to 635,361.12, 876,813.66 and 344,985.03 is: 476,087.66
Step by Step Solution
- Step 1: Write the proportion equation
635,361.12 : 876,813.66 = 344,985.03 : x - Step 2: Convert to fraction form
635,361.12/876,813.66 = 344,985.03/x - Step 3: Cross multiply
635,361.12x = 876,813.66 × 344,985.03 - Step 4: Simplify right side
635,361.12x = 302,487,586,799.51 - Step 5: Solve for x
x = 302,487,586,799.51/635,361.12 - Step 6: Final answer
x = 476,087.66
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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.