Finding the Fourth Proportional to 775,976.05, 1,163,950.50 and 349,209.88
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Solution
The fourth proportional to 775,976.05, 1,163,950.50 and 349,209.88 is: 523,808.71
Step by Step Solution
- Step 1: Write the proportion equation
775,976.05 : 1,163,950.50 = 349,209.88 : x - Step 2: Convert to fraction form
775,976.05/1,163,950.50 = 349,209.88/x - Step 3: Cross multiply
775,976.05x = 1,163,950.50 × 349,209.88 - Step 4: Simplify right side
775,976.05x = 406,463,008,611.19 - Step 5: Solve for x
x = 406,463,008,611.19/775,976.05 - Step 6: Final answer
x = 523,808.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.