Finding the Fourth Proportional to 506,238.36, 698,609.32 and 276,791.99
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Solution
The fourth proportional to 506,238.36, 698,609.32 and 276,791.99 is: 381,973.16
Step by Step Solution
- Step 1: Write the proportion equation
506,238.36 : 698,609.32 = 276,791.99 : x - Step 2: Convert to fraction form
506,238.36/698,609.32 = 276,791.99/x - Step 3: Cross multiply
506,238.36x = 698,609.32 × 276,791.99 - Step 4: Simplify right side
506,238.36x = 193,369,463,915.35 - Step 5: Solve for x
x = 193,369,463,915.35/506,238.36 - Step 6: Final answer
x = 381,973.16
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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.