Finding the Fourth Proportional to 995,608.07, 1,373,936.58 and 542,899.07
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Solution
The fourth proportional to 995,608.07, 1,373,936.58 and 542,899.07 is: 749,199.32
Step by Step Solution
- Step 1: Write the proportion equation
995,608.07 : 1,373,936.58 = 542,899.07 : x - Step 2: Convert to fraction form
995,608.07/1,373,936.58 = 542,899.07/x - Step 3: Cross multiply
995,608.07x = 1,373,936.58 × 542,899.07 - Step 4: Simplify right side
995,608.07x = 745,908,891,520.98 - Step 5: Solve for x
x = 745,908,891,520.98/995,608.07 - Step 6: Final answer
x = 749,199.32
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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.