Finding the Fourth Proportional to 495,567.80, 743,351.70 and 408,087.80
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Solution
The fourth proportional to 495,567.80, 743,351.70 and 408,087.80 is: 612,131.70
Step by Step Solution
- Step 1: Write the proportion equation
495,567.80 : 743,351.70 = 408,087.80 : x - Step 2: Convert to fraction form
495,567.80/743,351.70 = 408,087.80/x - Step 3: Cross multiply
495,567.80x = 743,351.70 × 408,087.80 - Step 4: Simplify right side
495,567.80x = 303,352,759,879.26 - Step 5: Solve for x
x = 303,352,759,879.26/495,567.80 - Step 6: Final answer
x = 612,131.70
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1.5x scale
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.