Finding the Fourth Proportional to 492,083.40, 738,125.10 and 448,537.80
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Solution
The fourth proportional to 492,083.40, 738,125.10 and 448,537.80 is: 672,806.70
Step by Step Solution
- Step 1: Write the proportion equation
492,083.40 : 738,125.10 = 448,537.80 : x - Step 2: Convert to fraction form
492,083.40/738,125.10 = 448,537.80/x - Step 3: Cross multiply
492,083.40x = 738,125.10 × 448,537.80 - Step 4: Simplify right side
492,083.40x = 331,077,008,478.78 - Step 5: Solve for x
x = 331,077,008,478.78/492,083.40 - Step 6: Final answer
x = 672,806.70
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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.