Finding the Fourth Proportional to 756,915.95, 1,135,593.09 and 224,449.80
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Solution
The fourth proportional to 756,915.95, 1,135,593.09 and 224,449.80 is: 336,739.69
Step by Step Solution
- Step 1: Write the proportion equation
756,915.95 : 1,135,593.09 = 224,449.80 : x - Step 2: Convert to fraction form
756,915.95/1,135,593.09 = 224,449.80/x - Step 3: Cross multiply
756,915.95x = 1,135,593.09 × 224,449.80 - Step 4: Simplify right side
756,915.95x = 254,883,641,931.88 - Step 5: Solve for x
x = 254,883,641,931.88/756,915.95 - Step 6: Final answer
x = 336,739.69
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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.