Finding the Fourth Proportional to 831,710.84, 1,247,611.65 and 263,049.48
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Solution
The fourth proportional to 831,710.84, 1,247,611.65 and 263,049.48 is: 394,588.58
Step by Step Solution
- Step 1: Write the proportion equation
831,710.84 : 1,247,611.65 = 263,049.48 : x - Step 2: Convert to fraction form
831,710.84/1,247,611.65 = 263,049.48/x - Step 3: Cross multiply
831,710.84x = 1,247,611.65 × 263,049.48 - Step 4: Simplify right side
831,710.84x = 328,183,595,774.44 - Step 5: Solve for x
x = 328,183,595,774.44/831,710.84 - Step 6: Final answer
x = 394,588.58
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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.