Finding the Fourth Proportional to 821,543.40, 1,232,315.10 and 737,562.60
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Solution
The fourth proportional to 821,543.40, 1,232,315.10 and 737,562.60 is: 1,106,343.90
Step by Step Solution
- Step 1: Write the proportion equation
821,543.40 : 1,232,315.10 = 737,562.60 : x - Step 2: Convert to fraction form
821,543.40/1,232,315.10 = 737,562.60/x - Step 3: Cross multiply
821,543.40x = 1,232,315.10 × 737,562.60 - Step 4: Simplify right side
821,543.40x = 908,909,529,175.26 - Step 5: Solve for x
x = 908,909,529,175.26/821,543.40 - Step 6: Final answer
x = 1,106,343.90
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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.