Finding the Fourth Proportional to 707,354.98, 976,149.87 and 385,067.44
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Solution
The fourth proportional to 707,354.98, 976,149.87 and 385,067.44 is: 531,393.07
Step by Step Solution
- Step 1: Write the proportion equation
707,354.98 : 976,149.87 = 385,067.44 : x - Step 2: Convert to fraction form
707,354.98/976,149.87 = 385,067.44/x - Step 3: Cross multiply
707,354.98x = 976,149.87 × 385,067.44 - Step 4: Simplify right side
707,354.98x = 375,883,531,497.23 - Step 5: Solve for x
x = 375,883,531,497.23/707,354.98 - Step 6: Final answer
x = 531,393.07
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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.