Finding the Fourth Proportional to 396,988.68, 595,420.49 and 329,951.15
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Solution
The fourth proportional to 396,988.68, 595,420.49 and 329,951.15 is: 494,874.75
Step by Step Solution
- Step 1: Write the proportion equation
396,988.68 : 595,420.49 = 329,951.15 : x - Step 2: Convert to fraction form
396,988.68/595,420.49 = 329,951.15/x - Step 3: Cross multiply
396,988.68x = 595,420.49 × 329,951.15 - Step 4: Simplify right side
396,988.68x = 196,459,676,422.96 - Step 5: Solve for x
x = 196,459,676,422.96/396,988.68 - Step 6: Final answer
x = 494,874.75
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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.