Finding the Fourth Proportional to 893,511.68, 1,233,046.06 and 485,614.44
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Solution
The fourth proportional to 893,511.68, 1,233,046.06 and 485,614.44 is: 670,147.90
Step by Step Solution
- Step 1: Write the proportion equation
893,511.68 : 1,233,046.06 = 485,614.44 : x - Step 2: Convert to fraction form
893,511.68/1,233,046.06 = 485,614.44/x - Step 3: Cross multiply
893,511.68x = 1,233,046.06 × 485,614.44 - Step 4: Simplify right side
893,511.68x = 598,784,970,707.07 - Step 5: Solve for x
x = 598,784,970,707.07/893,511.68 - Step 6: Final answer
x = 670,147.90
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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.