Finding the Fourth Proportional to 899,175.09, 1,349,428.05 and 425,861.58
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Solution
The fourth proportional to 899,175.09, 1,349,428.05 and 425,861.58 is: 639,107.52
Step by Step Solution
- Step 1: Write the proportion equation
899,175.09 : 1,349,428.05 = 425,861.58 : x - Step 2: Convert to fraction form
899,175.09/1,349,428.05 = 425,861.58/x - Step 3: Cross multiply
899,175.09x = 1,349,428.05 × 425,861.58 - Step 4: Simplify right side
899,175.09x = 574,669,561,469.32 - Step 5: Solve for x
x = 574,669,561,469.32/899,175.09 - Step 6: Final answer
x = 639,107.52
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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.