Finding the Fourth Proportional to 986,795.68, 1,361,782.19 and 534,086.68
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Solution
The fourth proportional to 986,795.68, 1,361,782.19 and 534,086.68 is: 737,041.87
Step by Step Solution
- Step 1: Write the proportion equation
986,795.68 : 1,361,782.19 = 534,086.68 : x - Step 2: Convert to fraction form
986,795.68/1,361,782.19 = 534,086.68/x - Step 3: Cross multiply
986,795.68x = 1,361,782.19 × 534,086.68 - Step 4: Simplify right side
986,795.68x = 727,309,728,740.23 - Step 5: Solve for x
x = 727,309,728,740.23/986,795.68 - Step 6: Final answer
x = 737,041.87
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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.