Finding the Fourth Proportional to 434,537.80, 651,806.70 and 396,046.60
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Solution
The fourth proportional to 434,537.80, 651,806.70 and 396,046.60 is: 594,069.90
Step by Step Solution
- Step 1: Write the proportion equation
434,537.80 : 651,806.70 = 396,046.60 : x - Step 2: Convert to fraction form
434,537.80/651,806.70 = 396,046.60/x - Step 3: Cross multiply
434,537.80x = 651,806.70 × 396,046.60 - Step 4: Simplify right side
434,537.80x = 258,145,827,392.22 - Step 5: Solve for x
x = 258,145,827,392.22/434,537.80 - Step 6: Final answer
x = 594,069.90
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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.