Finding the Fourth Proportional to 504,557.30, 696,351.74 and 289,692.75
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Solution
The fourth proportional to 504,557.30, 696,351.74 and 289,692.75 is: 399,811.98
Step by Step Solution
- Step 1: Write the proportion equation
504,557.30 : 696,351.74 = 289,692.75 : x - Step 2: Convert to fraction form
504,557.30/696,351.74 = 289,692.75/x - Step 3: Cross multiply
504,557.30x = 696,351.74 × 289,692.75 - Step 4: Simplify right side
504,557.30x = 201,728,051,690.74 - Step 5: Solve for x
x = 201,728,051,690.74/504,557.30 - Step 6: Final answer
x = 399,811.98
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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.