Finding the Fourth Proportional to 450,611.36, 676,791.84 and 331,813.52
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Solution
The fourth proportional to 450,611.36, 676,791.84 and 331,813.52 is: 498,364.45
Step by Step Solution
- Step 1: Write the proportion equation
450,611.36 : 676,791.84 = 331,813.52 : x - Step 2: Convert to fraction form
450,611.36/676,791.84 = 331,813.52/x - Step 3: Cross multiply
450,611.36x = 676,791.84 × 331,813.52 - Step 4: Simplify right side
450,611.36x = 224,568,682,737.68 - Step 5: Solve for x
x = 224,568,682,737.68/450,611.36 - Step 6: Final answer
x = 498,364.45
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1.5x scale
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.