Finding the Fourth Proportional to 943,051.76, 1,414,578.09 and 311,965.57
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Solution
The fourth proportional to 943,051.76, 1,414,578.09 and 311,965.57 is: 467,948.50
Step by Step Solution
- Step 1: Write the proportion equation
943,051.76 : 1,414,578.09 = 311,965.57 : x - Step 2: Convert to fraction form
943,051.76/1,414,578.09 = 311,965.57/x - Step 3: Cross multiply
943,051.76x = 1,414,578.09 × 311,965.57 - Step 4: Simplify right side
943,051.76x = 441,299,660,156.36 - Step 5: Solve for x
x = 441,299,660,156.36/943,051.76 - Step 6: Final answer
x = 467,948.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.