Finding the Fourth Proportional to 490,719.06, 735,859.89 and 341,915.58
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Solution
The fourth proportional to 490,719.06, 735,859.89 and 341,915.58 is: 512,720.99
Step by Step Solution
- Step 1: Write the proportion equation
490,719.06 : 735,859.89 = 341,915.58 : x - Step 2: Convert to fraction form
490,719.06/735,859.89 = 341,915.58/x - Step 3: Cross multiply
490,719.06x = 735,859.89 × 341,915.58 - Step 4: Simplify right side
490,719.06x = 251,601,961,088.09 - Step 5: Solve for x
x = 251,601,961,088.09/490,719.06 - Step 6: Final answer
x = 512,720.99
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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.