Finding the Fourth Proportional to 578,736.93, 798,634.58 and 324,075.09
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Solution
The fourth proportional to 578,736.93, 798,634.58 and 324,075.09 is: 447,211.09
Step by Step Solution
- Step 1: Write the proportion equation
578,736.93 : 798,634.58 = 324,075.09 : x - Step 2: Convert to fraction form
578,736.93/798,634.58 = 324,075.09/x - Step 3: Cross multiply
578,736.93x = 798,634.58 × 324,075.09 - Step 4: Simplify right side
578,736.93x = 258,817,571,770.24 - Step 5: Solve for x
x = 258,817,571,770.24/578,736.93 - Step 6: Final answer
x = 447,211.09
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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.