Finding the Fourth Proportional to 522,366.88, 720,863.76 and 283,902.88
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Solution
The fourth proportional to 522,366.88, 720,863.76 and 283,902.88 is: 391,784.60
Step by Step Solution
- Step 1: Write the proportion equation
522,366.88 : 720,863.76 = 283,902.88 : x - Step 2: Convert to fraction form
522,366.88/720,863.76 = 283,902.88/x - Step 3: Cross multiply
522,366.88x = 720,863.76 × 283,902.88 - Step 4: Simplify right side
522,366.88x = 204,655,297,551.63 - Step 5: Solve for x
x = 204,655,297,551.63/522,366.88 - Step 6: Final answer
x = 391,784.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.