Finding the Fourth Proportional to 746,736.76, 1,120,249.34 and 320,212.98
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Solution
The fourth proportional to 746,736.76, 1,120,249.34 and 320,212.98 is: 480,381.30
Step by Step Solution
- Step 1: Write the proportion equation
746,736.76 : 1,120,249.34 = 320,212.98 : x - Step 2: Convert to fraction form
746,736.76/1,120,249.34 = 320,212.98/x - Step 3: Cross multiply
746,736.76x = 1,120,249.34 × 320,212.98 - Step 4: Simplify right side
746,736.76x = 358,718,379,104.17 - Step 5: Solve for x
x = 358,718,379,104.17/746,736.76 - Step 6: Final answer
x = 480,381.30
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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.