Finding the Fourth Proportional to 831,916.56, 1,247,874.84 and 270,951.06
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Solution
The fourth proportional to 831,916.56, 1,247,874.84 and 270,951.06 is: 406,426.59
Step by Step Solution
- Step 1: Write the proportion equation
831,916.56 : 1,247,874.84 = 270,951.06 : x - Step 2: Convert to fraction form
831,916.56/1,247,874.84 = 270,951.06/x - Step 3: Cross multiply
831,916.56x = 1,247,874.84 × 270,951.06 - Step 4: Simplify right side
831,916.56x = 338,113,010,645.33 - Step 5: Solve for x
x = 338,113,010,645.33/831,916.56 - Step 6: Final answer
x = 406,426.59
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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.