Finding the Fourth Proportional to 749,733.12, 1,034,605.96 and 427,546.92
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Solution
The fourth proportional to 749,733.12, 1,034,605.96 and 427,546.92 is: 590,000.07
Step by Step Solution
- Step 1: Write the proportion equation
749,733.12 : 1,034,605.96 = 427,546.92 : x - Step 2: Convert to fraction form
749,733.12/1,034,605.96 = 427,546.92/x - Step 3: Cross multiply
749,733.12x = 1,034,605.96 × 427,546.92 - Step 4: Simplify right side
749,733.12x = 442,342,591,611.64 - Step 5: Solve for x
x = 442,342,591,611.64/749,733.12 - Step 6: Final answer
x = 590,000.07
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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.