Finding the Fourth Proportional to 535,034.97, 738,354.26 and 305,622.54
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Solution
The fourth proportional to 535,034.97, 738,354.26 and 305,622.54 is: 421,762.53
Step by Step Solution
- Step 1: Write the proportion equation
535,034.97 : 738,354.26 = 305,622.54 : x - Step 2: Convert to fraction form
535,034.97/738,354.26 = 305,622.54/x - Step 3: Cross multiply
535,034.97x = 738,354.26 × 305,622.54 - Step 4: Simplify right side
535,034.97x = 225,657,705,125.08 - Step 5: Solve for x
x = 225,657,705,125.08/535,034.97 - Step 6: Final answer
x = 421,762.53
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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.