Finding the Fourth Proportional to 799,617.60, 1,102,757.72 and 663,435.84
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Solution
The fourth proportional to 799,617.60, 1,102,757.72 and 663,435.84 is: 914,948.59
Step by Step Solution
- Step 1: Write the proportion equation
799,617.60 : 1,102,757.72 = 663,435.84 : x - Step 2: Convert to fraction form
799,617.60/1,102,757.72 = 663,435.84/x - Step 3: Cross multiply
799,617.60x = 1,102,757.72 × 663,435.84 - Step 4: Simplify right side
799,617.60x = 731,608,994,284.69 - Step 5: Solve for x
x = 731,608,994,284.69/799,617.60 - Step 6: Final answer
x = 914,948.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.