Finding the Fourth Proportional to 878,816.99, 1,318,225.48 and 833,939.75
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Solution
The fourth proportional to 878,816.99, 1,318,225.48 and 833,939.75 is: 1,250,909.62
Step by Step Solution
- Step 1: Write the proportion equation
878,816.99 : 1,318,225.48 = 833,939.75 : x - Step 2: Convert to fraction form
878,816.99/1,318,225.48 = 833,939.75/x - Step 3: Cross multiply
878,816.99x = 1,318,225.48 × 833,939.75 - Step 4: Simplify right side
878,816.99x = 1,099,320,618,558.85 - Step 5: Solve for x
x = 1,099,320,618,558.85/878,816.99 - Step 6: Final answer
x = 1,250,909.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.