Finding the Fourth Proportional to 431,522.07, 595,755.59 and 383,642.88
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Solution
The fourth proportional to 431,522.07, 595,755.59 and 383,642.88 is: 529,653.99
Step by Step Solution
- Step 1: Write the proportion equation
431,522.07 : 595,755.59 = 383,642.88 : x - Step 2: Convert to fraction form
431,522.07/595,755.59 = 383,642.88/x - Step 3: Cross multiply
431,522.07x = 595,755.59 × 383,642.88 - Step 4: Simplify right side
431,522.07x = 228,557,386,171.40 - Step 5: Solve for x
x = 228,557,386,171.40/431,522.07 - Step 6: Final answer
x = 529,653.99
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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.