Finding the Fourth Proportional to 625,892.18, 863,778.84 and 353,965.46
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Solution
The fourth proportional to 625,892.18, 863,778.84 and 353,965.46 is: 488,499.27
Step by Step Solution
- Step 1: Write the proportion equation
625,892.18 : 863,778.84 = 353,965.46 : x - Step 2: Convert to fraction form
625,892.18/863,778.84 = 353,965.46/x - Step 3: Cross multiply
625,892.18x = 863,778.84 × 353,965.46 - Step 4: Simplify right side
625,892.18x = 305,747,874,438.87 - Step 5: Solve for x
x = 305,747,874,438.87/625,892.18 - Step 6: Final answer
x = 488,499.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.