Finding the Fourth Proportional to 831,863.80, 1,247,795.70 and 796,871.80
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Solution
The fourth proportional to 831,863.80, 1,247,795.70 and 796,871.80 is: 1,195,307.70
Step by Step Solution
- Step 1: Write the proportion equation
831,863.80 : 1,247,795.70 = 796,871.80 : x - Step 2: Convert to fraction form
831,863.80/1,247,795.70 = 796,871.80/x - Step 3: Cross multiply
831,863.80x = 1,247,795.70 × 796,871.80 - Step 4: Simplify right side
831,863.80x = 994,333,205,491.26 - Step 5: Solve for x
x = 994,333,205,491.26/831,863.80 - Step 6: Final answer
x = 1,195,307.70
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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.