Finding the Fourth Proportional to 646,696.89, 892,441.98 and 374,922.99
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Solution
The fourth proportional to 646,696.89, 892,441.98 and 374,922.99 is: 517,393.88
Step by Step Solution
- Step 1: Write the proportion equation
646,696.89 : 892,441.98 = 374,922.99 : x - Step 2: Convert to fraction form
646,696.89/892,441.98 = 374,922.99/x - Step 3: Cross multiply
646,696.89x = 892,441.98 × 374,922.99 - Step 4: Simplify right side
646,696.89x = 334,597,015,543.12 - Step 5: Solve for x
x = 334,597,015,543.12/646,696.89 - Step 6: Final answer
x = 517,393.88
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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.