Finding the Fourth Proportional to 775,984.56, 1,163,963.35 and 349,218.37
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Solution
The fourth proportional to 775,984.56, 1,163,963.35 and 349,218.37 is: 523,821.49
Step by Step Solution
- Step 1: Write the proportion equation
775,984.56 : 1,163,963.35 = 349,218.37 : x - Step 2: Convert to fraction form
775,984.56/1,163,963.35 = 349,218.37/x - Step 3: Cross multiply
775,984.56x = 1,163,963.35 × 349,218.37 - Step 4: Simplify right side
775,984.56x = 406,477,385,718.22 - Step 5: Solve for x
x = 406,477,385,718.22/775,984.56 - Step 6: Final answer
x = 523,821.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.