Finding the Fourth Proportional to 893,837.18, 1,233,519.16 and 485,966.44
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Solution
The fourth proportional to 893,837.18, 1,233,519.16 and 485,966.44 is: 670,646.65
Step by Step Solution
- Step 1: Write the proportion equation
893,837.18 : 1,233,519.16 = 485,966.44 : x - Step 2: Convert to fraction form
893,837.18/1,233,519.16 = 485,966.44/x - Step 3: Cross multiply
893,837.18x = 1,233,519.16 × 485,966.44 - Step 4: Simplify right side
893,837.18x = 599,448,914,856.99 - Step 5: Solve for x
x = 599,448,914,856.99/893,837.18 - Step 6: Final answer
x = 670,646.65
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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.