Finding the Fourth Proportional to 558,286.14, 770,438.52 and 303,639.18
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Solution
The fourth proportional to 558,286.14, 770,438.52 and 303,639.18 is: 419,024.05
Step by Step Solution
- Step 1: Write the proportion equation
558,286.14 : 770,438.52 = 303,639.18 : x - Step 2: Convert to fraction form
558,286.14/770,438.52 = 303,639.18/x - Step 3: Cross multiply
558,286.14x = 770,438.52 × 303,639.18 - Step 4: Simplify right side
558,286.14x = 233,935,320,453.21 - Step 5: Solve for x
x = 233,935,320,453.21/558,286.14 - Step 6: Final answer
x = 419,024.05
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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.