Finding the Fourth Proportional to 810,244.21, 1,118,148.75 and 447,676.42
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Solution
The fourth proportional to 810,244.21, 1,118,148.75 and 447,676.42 is: 617,799.95
Step by Step Solution
- Step 1: Write the proportion equation
810,244.21 : 1,118,148.75 = 447,676.42 : x - Step 2: Convert to fraction form
810,244.21/1,118,148.75 = 447,676.42/x - Step 3: Cross multiply
810,244.21x = 1,118,148.75 × 447,676.42 - Step 4: Simplify right side
810,244.21x = 500,568,829,427.48 - Step 5: Solve for x
x = 500,568,829,427.48/810,244.21 - Step 6: Final answer
x = 617,799.95
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1.5x scale
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.