Finding the Fourth Proportional to 663,415.62, 914,790.06 and 448,181.97
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Solution
The fourth proportional to 663,415.62, 914,790.06 and 448,181.97 is: 618,002.35
Step by Step Solution
- Step 1: Write the proportion equation
663,415.62 : 914,790.06 = 448,181.97 : x - Step 2: Convert to fraction form
663,415.62/914,790.06 = 448,181.97/x - Step 3: Cross multiply
663,415.62x = 914,790.06 × 448,181.97 - Step 4: Simplify right side
663,415.62x = 409,992,411,227.22 - Step 5: Solve for x
x = 409,992,411,227.22/663,415.62 - Step 6: Final answer
x = 618,002.35
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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.