Finding the Fourth Proportional to 831,625, 1,247,515.26 and 270,508.84
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Solution
The fourth proportional to 831,625, 1,247,515.26 and 270,508.84 is: 405,788.55
Step by Step Solution
- Step 1: Write the proportion equation
831,625 : 1,247,515.26 = 270,508.84 : x - Step 2: Convert to fraction form
831,625/1,247,515.26 = 270,508.84/x - Step 3: Cross multiply
831,625x = 1,247,515.26 × 270,508.84 - Step 4: Simplify right side
831,625x = 337,463,905,864.90 - Step 5: Solve for x
x = 337,463,905,864.90/831,625 - Step 6: Final answer
x = 405,788.55
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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.