Finding the Fourth Proportional to 995,436.75, 1,373,704.07 and 542,727.75
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Solution
The fourth proportional to 995,436.75, 1,373,704.07 and 542,727.75 is: 748,965.03
Step by Step Solution
- Step 1: Write the proportion equation
995,436.75 : 1,373,704.07 = 542,727.75 : x - Step 2: Convert to fraction form
995,436.75/1,373,704.07 = 542,727.75/x - Step 3: Cross multiply
995,436.75x = 1,373,704.07 × 542,727.75 - Step 4: Simplify right side
995,436.75x = 745,547,319,076.94 - Step 5: Solve for x
x = 745,547,319,076.94/995,436.75 - Step 6: Final answer
x = 748,965.03
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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.