Finding the Fourth Proportional to 995,750.64, 1,374,145.12 and 543,041.68
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Solution
The fourth proportional to 995,750.64, 1,374,145.12 and 543,041.68 is: 749,402.56
Step by Step Solution
- Step 1: Write the proportion equation
995,750.64 : 1,374,145.12 = 543,041.68 : x - Step 2: Convert to fraction form
995,750.64/1,374,145.12 = 543,041.68/x - Step 3: Cross multiply
995,750.64x = 1,374,145.12 × 543,041.68 - Step 4: Simplify right side
995,750.64x = 746,218,074,528.60 - Step 5: Solve for x
x = 746,218,074,528.60/995,750.64 - Step 6: Final answer
x = 749,402.56
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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.