Finding the Fourth Proportional to 707,561.66, 976,430.94 and 385,270.99
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Solution
The fourth proportional to 707,561.66, 976,430.94 and 385,270.99 is: 531,671.70
Step by Step Solution
- Step 1: Write the proportion equation
707,561.66 : 976,430.94 = 385,270.99 : x - Step 2: Convert to fraction form
707,561.66/976,430.94 = 385,270.99/x - Step 3: Cross multiply
707,561.66x = 976,430.94 × 385,270.99 - Step 4: Simplify right side
707,561.66x = 376,190,512,994.08 - Step 5: Solve for x
x = 376,190,512,994.08/707,561.66 - Step 6: Final answer
x = 531,671.70
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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.