Finding the Fourth Proportional to 995,717.84, 1,374,197.18 and 608,760.32
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Solution
The fourth proportional to 995,717.84, 1,374,197.18 and 608,760.32 is: 840,154.39
Step by Step Solution
- Step 1: Write the proportion equation
995,717.84 : 1,374,197.18 = 608,760.32 : x - Step 2: Convert to fraction form
995,717.84/1,374,197.18 = 608,760.32/x - Step 3: Cross multiply
995,717.84x = 1,374,197.18 × 608,760.32 - Step 4: Simplify right side
995,717.84x = 836,556,715,039.90 - Step 5: Solve for x
x = 836,556,715,039.90/995,717.84 - Step 6: Final answer
x = 840,154.39
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1.5x scale
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.