Finding the Fourth Proportional to 719,850.68, 993,374.92 and 397,553.84
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Solution
The fourth proportional to 719,850.68, 993,374.92 and 397,553.84 is: 548,613.80
Step by Step Solution
- Step 1: Write the proportion equation
719,850.68 : 993,374.92 = 397,553.84 : x - Step 2: Convert to fraction form
719,850.68/993,374.92 = 397,553.84/x - Step 3: Cross multiply
719,850.68x = 993,374.92 × 397,553.84 - Step 4: Simplify right side
719,850.68x = 394,920,013,260.92 - Step 5: Solve for x
x = 394,920,013,260.92/719,850.68 - Step 6: Final answer
x = 548,613.80
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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.