Finding the Fourth Proportional to 862,592.08, 1,190,381.94 and 500,231.08
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Solution
The fourth proportional to 862,592.08, 1,190,381.94 and 500,231.08 is: 690,321.71
Step by Step Solution
- Step 1: Write the proportion equation
862,592.08 : 1,190,381.94 = 500,231.08 : x - Step 2: Convert to fraction form
862,592.08/1,190,381.94 = 500,231.08/x - Step 3: Cross multiply
862,592.08x = 1,190,381.94 × 500,231.08 - Step 4: Simplify right side
862,592.08x = 595,466,043,458.70 - Step 5: Solve for x
x = 595,466,043,458.70/862,592.08 - Step 6: Final answer
x = 690,321.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.