Finding the Fourth Proportional to 505,764.63, 698,003.44 and 276,356.76
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Solution
The fourth proportional to 505,764.63, 698,003.44 and 276,356.76 is: 381,398.70
Step by Step Solution
- Step 1: Write the proportion equation
505,764.63 : 698,003.44 = 276,356.76 : x - Step 2: Convert to fraction form
505,764.63/698,003.44 = 276,356.76/x - Step 3: Cross multiply
505,764.63x = 698,003.44 × 276,356.76 - Step 4: Simplify right side
505,764.63x = 192,897,969,147.25 - Step 5: Solve for x
x = 192,897,969,147.25/505,764.63 - Step 6: Final answer
x = 381,398.70
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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.