Finding the Fourth Proportional to 718,119.04, 990,639.84 and 548,057.92
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Solution
The fourth proportional to 718,119.04, 990,639.84 and 548,057.92 is: 756,041.80
Step by Step Solution
- Step 1: Write the proportion equation
718,119.04 : 990,639.84 = 548,057.92 : x - Step 2: Convert to fraction form
718,119.04/990,639.84 = 548,057.92/x - Step 3: Cross multiply
718,119.04x = 990,639.84 × 548,057.92 - Step 4: Simplify right side
718,119.04x = 542,928,010,179.53 - Step 5: Solve for x
x = 542,928,010,179.53/718,119.04 - Step 6: Final answer
x = 756,041.80
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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.