Finding the Fourth Proportional to 556,936.84, 768,622.56 and 327,379.08
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Solution
The fourth proportional to 556,936.84, 768,622.56 and 327,379.08 is: 451,812.36
Step by Step Solution
- Step 1: Write the proportion equation
556,936.84 : 768,622.56 = 327,379.08 : x - Step 2: Convert to fraction form
556,936.84/768,622.56 = 327,379.08/x - Step 3: Cross multiply
556,936.84x = 768,622.56 × 327,379.08 - Step 4: Simplify right side
556,936.84x = 251,630,946,560.05 - Step 5: Solve for x
x = 251,630,946,560.05/556,936.84 - Step 6: Final answer
x = 451,812.36
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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.