Finding the Fourth Proportional to 741,664.16, 1,109,740.56 and 442,307.60
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Solution
The fourth proportional to 741,664.16, 1,109,740.56 and 442,307.60 is: 661,817.99
Step by Step Solution
- Step 1: Write the proportion equation
741,664.16 : 1,109,740.56 = 442,307.60 : x - Step 2: Convert to fraction form
741,664.16/1,109,740.56 = 442,307.60/x - Step 3: Cross multiply
741,664.16x = 1,109,740.56 × 442,307.60 - Step 4: Simplify right side
741,664.16x = 490,846,683,716.26 - Step 5: Solve for x
x = 490,846,683,716.26/741,664.16 - Step 6: Final answer
x = 661,817.99
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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.