Finding the Fourth Proportional to 764,041.11, 1,054,382.99 and 477,727.17
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Solution
The fourth proportional to 764,041.11, 1,054,382.99 and 477,727.17 is: 659,267.40
Step by Step Solution
- Step 1: Write the proportion equation
764,041.11 : 1,054,382.99 = 477,727.17 : x - Step 2: Convert to fraction form
764,041.11/1,054,382.99 = 477,727.17/x - Step 3: Cross multiply
764,041.11x = 1,054,382.99 × 477,727.17 - Step 4: Simplify right side
764,041.11x = 503,707,399,520.20 - Step 5: Solve for x
x = 503,707,399,520.20/764,041.11 - Step 6: Final answer
x = 659,267.40
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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.