Finding the Fourth Proportional to 491,315.97, 735,792.95 and 280,314.21
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Solution
The fourth proportional to 491,315.97, 735,792.95 and 280,314.21 is: 419,797.50
Step by Step Solution
- Step 1: Write the proportion equation
491,315.97 : 735,792.95 = 280,314.21 : x - Step 2: Convert to fraction form
491,315.97/735,792.95 = 280,314.21/x - Step 3: Cross multiply
491,315.97x = 735,792.95 × 280,314.21 - Step 4: Simplify right side
491,315.97x = 206,253,218,101.25 - Step 5: Solve for x
x = 206,253,218,101.25/491,315.97 - Step 6: Final answer
x = 419,797.50
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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.