Finding the Fourth Proportional to 532,427.87, 734,744.87 and 290,709.69
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Solution
The fourth proportional to 532,427.87, 734,744.87 and 290,709.69 is: 401,176.32
Step by Step Solution
- Step 1: Write the proportion equation
532,427.87 : 734,744.87 = 290,709.69 : x - Step 2: Convert to fraction form
532,427.87/734,744.87 = 290,709.69/x - Step 3: Cross multiply
532,427.87x = 734,744.87 × 290,709.69 - Step 4: Simplify right side
532,427.87x = 213,597,451,933.24 - Step 5: Solve for x
x = 213,597,451,933.24/532,427.87 - Step 6: Final answer
x = 401,176.32
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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.