Finding the Fourth Proportional to 939,950.26, 1,409,855.65 and 300,228.14
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Solution
The fourth proportional to 939,950.26, 1,409,855.65 and 300,228.14 is: 450,319.94
Step by Step Solution
- Step 1: Write the proportion equation
939,950.26 : 1,409,855.65 = 300,228.14 : x - Step 2: Convert to fraction form
939,950.26/1,409,855.65 = 300,228.14/x - Step 3: Cross multiply
939,950.26x = 1,409,855.65 × 300,228.14 - Step 4: Simplify right side
939,950.26x = 423,278,342,242.06 - Step 5: Solve for x
x = 423,278,342,242.06/939,950.26 - Step 6: Final answer
x = 450,319.94
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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.