Finding the Fourth Proportional to 713,481.68, 984,597.22 and 391,190.99
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Solution
The fourth proportional to 713,481.68, 984,597.22 and 391,190.99 is: 539,839.45
Step by Step Solution
- Step 1: Write the proportion equation
713,481.68 : 984,597.22 = 391,190.99 : x - Step 2: Convert to fraction form
713,481.68/984,597.22 = 391,190.99/x - Step 3: Cross multiply
713,481.68x = 984,597.22 × 391,190.99 - Step 4: Simplify right side
713,481.68x = 385,165,556,809.05 - Step 5: Solve for x
x = 385,165,556,809.05/713,481.68 - Step 6: Final answer
x = 539,839.45
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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.