Finding the Fourth Proportional to 986,853.08, 1,361,861.36 and 534,144.08
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Solution
The fourth proportional to 986,853.08, 1,361,861.36 and 534,144.08 is: 737,121.05
Step by Step Solution
- Step 1: Write the proportion equation
986,853.08 : 1,361,861.36 = 534,144.08 : x - Step 2: Convert to fraction form
986,853.08/1,361,861.36 = 534,144.08/x - Step 3: Cross multiply
986,853.08x = 1,361,861.36 × 534,144.08 - Step 4: Simplify right side
986,853.08x = 727,430,183,224.75 - Step 5: Solve for x
x = 727,430,183,224.75/986,853.08 - Step 6: Final answer
x = 737,121.05
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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.