Finding the Fourth Proportional to 667,375.98, 920,981.60 and 361,455.99
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Solution
The fourth proportional to 667,375.98, 920,981.60 and 361,455.99 is: 498,810.75
Step by Step Solution
- Step 1: Write the proportion equation
667,375.98 : 920,981.60 = 361,455.99 : x - Step 2: Convert to fraction form
667,375.98/920,981.60 = 361,455.99/x - Step 3: Cross multiply
667,375.98x = 920,981.60 × 361,455.99 - Step 4: Simplify right side
667,375.98x = 332,894,315,999.78 - Step 5: Solve for x
x = 332,894,315,999.78/667,375.98 - Step 6: Final answer
x = 498,810.75
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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.