Finding the Fourth Proportional to 658,368.09, 908,621.94 and 371,906.64
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Solution
The fourth proportional to 658,368.09, 908,621.94 and 371,906.64 is: 513,272.95
Step by Step Solution
- Step 1: Write the proportion equation
658,368.09 : 908,621.94 = 371,906.64 : x - Step 2: Convert to fraction form
658,368.09/908,621.94 = 371,906.64/x - Step 3: Cross multiply
658,368.09x = 908,621.94 × 371,906.64 - Step 4: Simplify right side
658,368.09x = 337,922,532,735.68 - Step 5: Solve for x
x = 337,922,532,735.68/658,368.09 - Step 6: Final answer
x = 513,272.95
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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.