Finding the Fourth Proportional to 495,409.70, 743,400.56 and 267,706.09
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Solution
The fourth proportional to 495,409.70, 743,400.56 and 267,706.09 is: 401,713.68
Step by Step Solution
- Step 1: Write the proportion equation
495,409.70 : 743,400.56 = 267,706.09 : x - Step 2: Convert to fraction form
495,409.70/743,400.56 = 267,706.09/x - Step 3: Cross multiply
495,409.70x = 743,400.56 × 267,706.09 - Step 4: Simplify right side
495,409.70x = 199,012,854,024.38 - Step 5: Solve for x
x = 199,012,854,024.38/495,409.70 - Step 6: Final answer
x = 401,713.68
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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.