Finding the Fourth Proportional to 993,194.20, 1,489,676.10 and 283,331.80
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Solution
The fourth proportional to 993,194.20, 1,489,676.10 and 283,331.80 is: 424,964.84
Step by Step Solution
- Step 1: Write the proportion equation
993,194.20 : 1,489,676.10 = 283,331.80 : x - Step 2: Convert to fraction form
993,194.20/1,489,676.10 = 283,331.80/x - Step 3: Cross multiply
993,194.20x = 1,489,676.10 × 283,331.80 - Step 4: Simplify right side
993,194.20x = 422,072,610,829.98 - Step 5: Solve for x
x = 422,072,610,829.98/993,194.20 - Step 6: Final answer
x = 424,964.84
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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.