Finding the Fourth Proportional to 554,243.01, 764,874.26 and 321,652.05
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Solution
The fourth proportional to 554,243.01, 764,874.26 and 321,652.05 is: 443,890.80
Step by Step Solution
- Step 1: Write the proportion equation
554,243.01 : 764,874.26 = 321,652.05 : x - Step 2: Convert to fraction form
554,243.01/764,874.26 = 321,652.05/x - Step 3: Cross multiply
554,243.01x = 764,874.26 × 321,652.05 - Step 4: Simplify right side
554,243.01x = 246,023,373,721.23 - Step 5: Solve for x
x = 246,023,373,721.23/554,243.01 - Step 6: Final answer
x = 443,890.80
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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.