Finding the Fourth Proportional to 750,991.44, 1,126,467.72 and 252,355.44
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Solution
The fourth proportional to 750,991.44, 1,126,467.72 and 252,355.44 is: 378,526.63
Step by Step Solution
- Step 1: Write the proportion equation
750,991.44 : 1,126,467.72 = 252,355.44 : x - Step 2: Convert to fraction form
750,991.44/1,126,467.72 = 252,355.44/x - Step 3: Cross multiply
750,991.44x = 1,126,467.72 × 252,355.44 - Step 4: Simplify right side
750,991.44x = 284,270,257,126.40 - Step 5: Solve for x
x = 284,270,257,126.40/750,991.44 - Step 6: Final answer
x = 378,526.63
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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.