Finding the Fourth Proportional to 759,676.20, 1,048,125.54 and 437,378.02
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Solution
The fourth proportional to 759,676.20, 1,048,125.54 and 437,378.02 is: 603,450.62
Step by Step Solution
- Step 1: Write the proportion equation
759,676.20 : 1,048,125.54 = 437,378.02 : x - Step 2: Convert to fraction form
759,676.20/1,048,125.54 = 437,378.02/x - Step 3: Cross multiply
759,676.20x = 1,048,125.54 × 437,378.02 - Step 4: Simplify right side
759,676.20x = 458,427,073,396.63 - Step 5: Solve for x
x = 458,427,073,396.63/759,676.20 - Step 6: Final answer
x = 603,450.62
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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.