Finding the Fourth Proportional to 962,901.21, 1,330,187.79 and 769,054.42
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Solution
The fourth proportional to 962,901.21, 1,330,187.79 and 769,054.42 is: 1,062,400.56
Step by Step Solution
- Step 1: Write the proportion equation
962,901.21 : 1,330,187.79 = 769,054.42 : x - Step 2: Convert to fraction form
962,901.21/1,330,187.79 = 769,054.42/x - Step 3: Cross multiply
962,901.21x = 1,330,187.79 × 769,054.42 - Step 4: Simplify right side
962,901.21x = 1,022,986,788,833.32 - Step 5: Solve for x
x = 1,022,986,788,833.32/962,901.21 - Step 6: Final answer
x = 1,062,400.56
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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.