Finding the Fourth Proportional to 683,361.28, 1,025,211.12 and 203,586.94
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Solution
The fourth proportional to 683,361.28, 1,025,211.12 and 203,586.94 is: 305,430.82
Step by Step Solution
- Step 1: Write the proportion equation
683,361.28 : 1,025,211.12 = 203,586.94 : x - Step 2: Convert to fraction form
683,361.28/1,025,211.12 = 203,586.94/x - Step 3: Cross multiply
683,361.28x = 1,025,211.12 × 203,586.94 - Step 4: Simplify right side
683,361.28x = 208,719,594,774.77 - Step 5: Solve for x
x = 208,719,594,774.77/683,361.28 - Step 6: Final answer
x = 305,430.82
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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.