Finding the Fourth Proportional to 657,682.29, 907,558.70 and 371,163.42
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Solution
The fourth proportional to 657,682.29, 907,558.70 and 371,163.42 is: 512,181.33
Step by Step Solution
- Step 1: Write the proportion equation
657,682.29 : 907,558.70 = 371,163.42 : x - Step 2: Convert to fraction form
657,682.29/907,558.70 = 371,163.42/x - Step 3: Cross multiply
657,682.29x = 907,558.70 × 371,163.42 - Step 4: Simplify right side
657,682.29x = 336,852,589,086.94 - Step 5: Solve for x
x = 336,852,589,086.94/657,682.29 - Step 6: Final answer
x = 512,181.33
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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.