Finding the Fourth Proportional to 544,519.49, 751,326.77 and 318,121.25
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Solution
The fourth proportional to 544,519.49, 751,326.77 and 318,121.25 is: 438,942.99
Step by Step Solution
- Step 1: Write the proportion equation
544,519.49 : 751,326.77 = 318,121.25 : x - Step 2: Convert to fraction form
544,519.49/751,326.77 = 318,121.25/x - Step 3: Cross multiply
544,519.49x = 751,326.77 × 318,121.25 - Step 4: Simplify right side
544,519.49x = 239,013,008,269.53 - Step 5: Solve for x
x = 239,013,008,269.53/544,519.49 - Step 6: Final answer
x = 438,942.99
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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.