Finding the Fourth Proportional to 848,558.63, 1,271,997.16 and 398,473.80
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Solution
The fourth proportional to 848,558.63, 1,271,997.16 and 398,473.80 is: 597,315.88
Step by Step Solution
- Step 1: Write the proportion equation
848,558.63 : 1,271,997.16 = 398,473.80 : x - Step 2: Convert to fraction form
848,558.63/1,271,997.16 = 398,473.80/x - Step 3: Cross multiply
848,558.63x = 1,271,997.16 × 398,473.80 - Step 4: Simplify right side
848,558.63x = 506,857,541,934.41 - Step 5: Solve for x
x = 506,857,541,934.41/848,558.63 - Step 6: Final answer
x = 597,315.88
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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.