Finding the Fourth Proportional to 816,163.60, 1,224,245.40 and 496,829.20
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Solution
The fourth proportional to 816,163.60, 1,224,245.40 and 496,829.20 is: 745,243.80
Step by Step Solution
- Step 1: Write the proportion equation
816,163.60 : 1,224,245.40 = 496,829.20 : x - Step 2: Convert to fraction form
816,163.60/1,224,245.40 = 496,829.20/x - Step 3: Cross multiply
816,163.60x = 1,224,245.40 × 496,829.20 - Step 4: Simplify right side
816,163.60x = 608,240,862,685.68 - Step 5: Solve for x
x = 608,240,862,685.68/816,163.60 - Step 6: Final answer
x = 745,243.80
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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.