Finding the Fourth Proportional to 506,243.76, 698,620.56 and 276,805.68
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Solution
The fourth proportional to 506,243.76, 698,620.56 and 276,805.68 is: 381,994.12
Step by Step Solution
- Step 1: Write the proportion equation
506,243.76 : 698,620.56 = 276,805.68 : x - Step 2: Convert to fraction form
506,243.76/698,620.56 = 276,805.68/x - Step 3: Cross multiply
506,243.76x = 698,620.56 × 276,805.68 - Step 4: Simplify right side
506,243.76x = 193,382,139,172.78 - Step 5: Solve for x
x = 193,382,139,172.78/506,243.76 - Step 6: Final answer
x = 381,994.12
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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.