Finding the Fourth Proportional to 556,784.10, 768,353.79 and 327,367.14
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Solution
The fourth proportional to 556,784.10, 768,353.79 and 327,367.14 is: 451,761.79
Step by Step Solution
- Step 1: Write the proportion equation
556,784.10 : 768,353.79 = 327,367.14 : x - Step 2: Convert to fraction form
556,784.10/768,353.79 = 327,367.14/x - Step 3: Cross multiply
556,784.10x = 768,353.79 × 327,367.14 - Step 4: Simplify right side
556,784.10x = 251,533,782,740.46 - Step 5: Solve for x
x = 251,533,782,740.46/556,784.10 - Step 6: Final answer
x = 451,761.79
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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.