Finding the Fourth Proportional to 844,207.60, 1,265,236.20 and 345,007.60
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Solution
The fourth proportional to 844,207.60, 1,265,236.20 and 345,007.60 is: 517,071.99
Step by Step Solution
- Step 1: Write the proportion equation
844,207.60 : 1,265,236.20 = 345,007.60 : x - Step 2: Convert to fraction form
844,207.60/1,265,236.20 = 345,007.60/x - Step 3: Cross multiply
844,207.60x = 1,265,236.20 × 345,007.60 - Step 4: Simplify right side
844,207.60x = 436,516,104,795.12 - Step 5: Solve for x
x = 436,516,104,795.12/844,207.60 - Step 6: Final answer
x = 517,071.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.