Finding the Fourth Proportional to 762,125.18, 1,051,779.92 and 422,593.43
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Solution
The fourth proportional to 762,125.18, 1,051,779.92 and 422,593.43 is: 583,205.08
Step by Step Solution
- Step 1: Write the proportion equation
762,125.18 : 1,051,779.92 = 422,593.43 : x - Step 2: Convert to fraction form
762,125.18/1,051,779.92 = 422,593.43/x - Step 3: Cross multiply
762,125.18x = 1,051,779.92 × 422,593.43 - Step 4: Simplify right side
762,125.18x = 444,475,276,626.06 - Step 5: Solve for x
x = 444,475,276,626.06/762,125.18 - Step 6: Final answer
x = 583,205.08
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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.