Finding the Fourth Proportional to 556,107.70, 834,161.55 and 486,123.70
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Solution
The fourth proportional to 556,107.70, 834,161.55 and 486,123.70 is: 729,185.55
Step by Step Solution
- Step 1: Write the proportion equation
556,107.70 : 834,161.55 = 486,123.70 : x - Step 2: Convert to fraction form
556,107.70/834,161.55 = 486,123.70/x - Step 3: Cross multiply
556,107.70x = 834,161.55 × 486,123.70 - Step 4: Simplify right side
556,107.70x = 405,505,699,083.74 - Step 5: Solve for x
x = 405,505,699,083.74/556,107.70 - Step 6: Final answer
x = 729,185.55
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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.