Finding the Fourth Proportional to 995,965.16, 1,374,419.94 and 543,246.44
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Solution
The fourth proportional to 995,965.16, 1,374,419.94 and 543,246.44 is: 749,673.55
Step by Step Solution
- Step 1: Write the proportion equation
995,965.16 : 1,374,419.94 = 543,246.44 : x - Step 2: Convert to fraction form
995,965.16/1,374,419.94 = 543,246.44/x - Step 3: Cross multiply
995,965.16x = 1,374,419.94 × 543,246.44 - Step 4: Simplify right side
995,965.16x = 746,648,739,470.01 - Step 5: Solve for x
x = 746,648,739,470.01/995,965.16 - Step 6: Final answer
x = 749,673.55
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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.