Finding the Fourth Proportional to 431,504.73, 595,731.97 and 383,625.84
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Solution
The fourth proportional to 431,504.73, 595,731.97 and 383,625.84 is: 529,630.75
Step by Step Solution
- Step 1: Write the proportion equation
431,504.73 : 595,731.97 = 383,625.84 : x - Step 2: Convert to fraction form
431,504.73/595,731.97 = 383,625.84/x - Step 3: Cross multiply
431,504.73x = 595,731.97 × 383,625.84 - Step 4: Simplify right side
431,504.73x = 228,538,174,213.05 - Step 5: Solve for x
x = 228,538,174,213.05/431,504.73 - Step 6: Final answer
x = 529,630.75
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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.