Finding the Fourth Proportional to 809,632.26, 1,214,868.68 and 330,211.79
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Solution
The fourth proportional to 809,632.26, 1,214,868.68 and 330,211.79 is: 495,489.10
Step by Step Solution
- Step 1: Write the proportion equation
809,632.26 : 1,214,868.68 = 330,211.79 : x - Step 2: Convert to fraction form
809,632.26/1,214,868.68 = 330,211.79/x - Step 3: Cross multiply
809,632.26x = 1,214,868.68 × 330,211.79 - Step 4: Simplify right side
809,632.26x = 401,163,961,437.74 - Step 5: Solve for x
x = 401,163,961,437.74/809,632.26 - Step 6: Final answer
x = 495,489.10
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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.