Finding the Fourth Proportional to 517,208.44, 774,153.26 and 276,720.76
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Solution
The fourth proportional to 517,208.44, 774,153.26 and 276,720.76 is: 414,193.32
Step by Step Solution
- Step 1: Write the proportion equation
517,208.44 : 774,153.26 = 276,720.76 : x - Step 2: Convert to fraction form
517,208.44/774,153.26 = 276,720.76/x - Step 3: Cross multiply
517,208.44x = 774,153.26 × 276,720.76 - Step 4: Simplify right side
517,208.44x = 214,224,278,463.68 - Step 5: Solve for x
x = 214,224,278,463.68/517,208.44 - Step 6: Final answer
x = 414,193.32
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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.