Finding the Fourth Proportional to 759,914.51, 1,048,510.32 and 453,930.99
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Solution
The fourth proportional to 759,914.51, 1,048,510.32 and 453,930.99 is: 626,322.20
Step by Step Solution
- Step 1: Write the proportion equation
759,914.51 : 1,048,510.32 = 453,930.99 : x - Step 2: Convert to fraction form
759,914.51/1,048,510.32 = 453,930.99/x - Step 3: Cross multiply
759,914.51x = 1,048,510.32 × 453,930.99 - Step 4: Simplify right side
759,914.51x = 475,951,324,502.02 - Step 5: Solve for x
x = 475,951,324,502.02/759,914.51 - Step 6: Final answer
x = 626,322.20
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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.