Finding the Fourth Proportional to 694,903.19, 958,921.97 and 388,928.12
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Solution
The fourth proportional to 694,903.19, 958,921.97 and 388,928.12 is: 536,695.94
Step by Step Solution
- Step 1: Write the proportion equation
694,903.19 : 958,921.97 = 388,928.12 : x - Step 2: Convert to fraction form
694,903.19/958,921.97 = 388,928.12/x - Step 3: Cross multiply
694,903.19x = 958,921.97 × 388,928.12 - Step 4: Simplify right side
694,903.19x = 372,951,719,471.46 - Step 5: Solve for x
x = 372,951,719,471.46/694,903.19 - Step 6: Final answer
x = 536,695.94
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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.