Finding the Fourth Proportional to 636,857.82, 878,863.75 and 350,371.75
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Solution
The fourth proportional to 636,857.82, 878,863.75 and 350,371.75 is: 483,512.99
Step by Step Solution
- Step 1: Write the proportion equation
636,857.82 : 878,863.75 = 350,371.75 : x - Step 2: Convert to fraction form
636,857.82/878,863.75 = 350,371.75/x - Step 3: Cross multiply
636,857.82x = 878,863.75 × 350,371.75 - Step 4: Simplify right side
636,857.82x = 307,929,030,099.06 - Step 5: Solve for x
x = 307,929,030,099.06/636,857.82 - Step 6: Final answer
x = 483,512.99
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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.