Finding the Fourth Proportional to 882,528.53, 1,217,850.99 and 490,037.06
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Solution
The fourth proportional to 882,528.53, 1,217,850.99 and 490,037.06 is: 676,229.83
Step by Step Solution
- Step 1: Write the proportion equation
882,528.53 : 1,217,850.99 = 490,037.06 : x - Step 2: Convert to fraction form
882,528.53/1,217,850.99 = 490,037.06/x - Step 3: Cross multiply
882,528.53x = 1,217,850.99 × 490,037.06 - Step 4: Simplify right side
882,528.53x = 596,792,112,568.44 - Step 5: Solve for x
x = 596,792,112,568.44/882,528.53 - Step 6: Final answer
x = 676,229.83
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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.