Finding the Fourth Proportional to 556,935.01, 768,571.79 and 302,286.20
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Solution
The fourth proportional to 556,935.01, 768,571.79 and 302,286.20 is: 417,155.75
Step by Step Solution
- Step 1: Write the proportion equation
556,935.01 : 768,571.79 = 302,286.20 : x - Step 2: Convert to fraction form
556,935.01/768,571.79 = 302,286.20/x - Step 3: Cross multiply
556,935.01x = 768,571.79 × 302,286.20 - Step 4: Simplify right side
556,935.01x = 232,328,640,472.01 - Step 5: Solve for x
x = 232,328,640,472.01/556,935.01 - Step 6: Final answer
x = 417,155.75
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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.