Finding the Fourth Proportional to 699,835.68, 965,440.62 and 413,163.72
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Solution
The fourth proportional to 699,835.68, 965,440.62 and 413,163.72 is: 569,969.56
Step by Step Solution
- Step 1: Write the proportion equation
699,835.68 : 965,440.62 = 413,163.72 : x - Step 2: Convert to fraction form
699,835.68/965,440.62 = 413,163.72/x - Step 3: Cross multiply
699,835.68x = 965,440.62 × 413,163.72 - Step 4: Simplify right side
699,835.68x = 398,885,037,998.31 - Step 5: Solve for x
x = 398,885,037,998.31/699,835.68 - Step 6: Final answer
x = 569,969.56
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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.