Finding the Fourth Proportional to 471,868.56, 650,955.99 and 318,960.13
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Solution
The fourth proportional to 471,868.56, 650,955.99 and 318,960.13 is: 440,014.50
Step by Step Solution
- Step 1: Write the proportion equation
471,868.56 : 650,955.99 = 318,960.13 : x - Step 2: Convert to fraction form
471,868.56/650,955.99 = 318,960.13/x - Step 3: Cross multiply
471,868.56x = 650,955.99 × 318,960.13 - Step 4: Simplify right side
471,868.56x = 207,629,007,983.93 - Step 5: Solve for x
x = 207,629,007,983.93/471,868.56 - Step 6: Final answer
x = 440,014.50
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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.