Finding the Fourth Proportional to 707,677.05, 976,611.84 and 385,404.68
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Solution
The fourth proportional to 707,677.05, 976,611.84 and 385,404.68 is: 531,867.99
Step by Step Solution
- Step 1: Write the proportion equation
707,677.05 : 976,611.84 = 385,404.68 : x - Step 2: Convert to fraction form
707,677.05/976,611.84 = 385,404.68/x - Step 3: Cross multiply
707,677.05x = 976,611.84 × 385,404.68 - Step 4: Simplify right side
707,677.05x = 376,390,774,675.67 - Step 5: Solve for x
x = 376,390,774,675.67/707,677.05 - Step 6: Final answer
x = 531,867.99
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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.