Finding the Fourth Proportional to 809,630.26, 1,214,865.68 and 330,209.79
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Solution
The fourth proportional to 809,630.26, 1,214,865.68 and 330,209.79 is: 495,486.10
Step by Step Solution
- Step 1: Write the proportion equation
809,630.26 : 1,214,865.68 = 330,209.79 : x - Step 2: Convert to fraction form
809,630.26/1,214,865.68 = 330,209.79/x - Step 3: Cross multiply
809,630.26x = 1,214,865.68 × 330,209.79 - Step 4: Simplify right side
809,630.26x = 401,160,541,071.01 - Step 5: Solve for x
x = 401,160,541,071.01/809,630.26 - Step 6: Final answer
x = 495,486.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.