Finding the Fourth Proportional to 599,486.64, 827,660.52 and 385,004.70
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Solution
The fourth proportional to 599,486.64, 827,660.52 and 385,004.70 is: 531,543.44
Step by Step Solution
- Step 1: Write the proportion equation
599,486.64 : 827,660.52 = 385,004.70 : x - Step 2: Convert to fraction form
599,486.64/827,660.52 = 385,004.70/x - Step 3: Cross multiply
599,486.64x = 827,660.52 × 385,004.70 - Step 4: Simplify right side
599,486.64x = 318,653,190,204.44 - Step 5: Solve for x
x = 318,653,190,204.44/599,486.64 - Step 6: Final answer
x = 531,543.44
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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.