Finding the Fourth Proportional to 857,144.68, 1,285,896.83 and 324,653.92
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Solution
The fourth proportional to 857,144.68, 1,285,896.83 and 324,653.92 is: 487,048.99
Step by Step Solution
- Step 1: Write the proportion equation
857,144.68 : 1,285,896.83 = 324,653.92 : x - Step 2: Convert to fraction form
857,144.68/1,285,896.83 = 324,653.92/x - Step 3: Cross multiply
857,144.68x = 1,285,896.83 × 324,653.92 - Step 4: Simplify right side
857,144.68x = 417,471,446,575.07 - Step 5: Solve for x
x = 417,471,446,575.07/857,144.68 - Step 6: Final answer
x = 487,048.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.