Finding the Fourth Proportional to 664,549.58, 996,776.17 and 259,665.68
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Solution
The fourth proportional to 664,549.58, 996,776.17 and 259,665.68 is: 389,479.69
Step by Step Solution
- Step 1: Write the proportion equation
664,549.58 : 996,776.17 = 259,665.68 : x - Step 2: Convert to fraction form
664,549.58/996,776.17 = 259,665.68/x - Step 3: Cross multiply
664,549.58x = 996,776.17 × 259,665.68 - Step 4: Simplify right side
664,549.58x = 258,828,561,990.85 - Step 5: Solve for x
x = 258,828,561,990.85/664,549.58 - Step 6: Final answer
x = 389,479.69
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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.