Finding the Fourth Proportional to 673,428.87, 929,351.42 and 367,524.92
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Solution
The fourth proportional to 673,428.87, 929,351.42 and 367,524.92 is: 507,195.07
Step by Step Solution
- Step 1: Write the proportion equation
673,428.87 : 929,351.42 = 367,524.92 : x - Step 2: Convert to fraction form
673,428.87/929,351.42 = 367,524.92/x - Step 3: Cross multiply
673,428.87x = 929,351.42 × 367,524.92 - Step 4: Simplify right side
673,428.87x = 341,559,799,803.01 - Step 5: Solve for x
x = 341,559,799,803.01/673,428.87 - Step 6: Final answer
x = 507,195.07
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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.