Finding the Fourth Proportional to 547,791.36, 755,943.04 and 306,077.44
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Solution
The fourth proportional to 547,791.36, 755,943.04 and 306,077.44 is: 422,381.82
Step by Step Solution
- Step 1: Write the proportion equation
547,791.36 : 755,943.04 = 306,077.44 : x - Step 2: Convert to fraction form
547,791.36/755,943.04 = 306,077.44/x - Step 3: Cross multiply
547,791.36x = 755,943.04 × 306,077.44 - Step 4: Simplify right side
547,791.36x = 231,377,110,469.02 - Step 5: Solve for x
x = 231,377,110,469.02/547,791.36 - Step 6: Final answer
x = 422,381.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.