Finding the Fourth Proportional to 891,928.09, 1,230,861.54 and 484,029.91
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Solution
The fourth proportional to 891,928.09, 1,230,861.54 and 484,029.91 is: 667,961.70
Step by Step Solution
- Step 1: Write the proportion equation
891,928.09 : 1,230,861.54 = 484,029.91 : x - Step 2: Convert to fraction form
891,928.09/1,230,861.54 = 484,029.91/x - Step 3: Cross multiply
891,928.09x = 1,230,861.54 × 484,029.91 - Step 4: Simplify right side
891,928.09x = 595,773,800,428.66 - Step 5: Solve for x
x = 595,773,800,428.66/891,928.09 - Step 6: Final answer
x = 667,961.70
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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.