Finding the Fourth Proportional to 996,090.24, 1,374,601.68 and 543,378
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Solution
The fourth proportional to 996,090.24, 1,374,601.68 and 543,378 is: 749,860.08
Step by Step Solution
- Step 1: Write the proportion equation
996,090.24 : 1,374,601.68 = 543,378 : x - Step 2: Convert to fraction form
996,090.24/1,374,601.68 = 543,378/x - Step 3: Cross multiply
996,090.24x = 1,374,601.68 × 543,378 - Step 4: Simplify right side
996,090.24x = 746,928,311,675.04 - Step 5: Solve for x
x = 746,928,311,675.04/996,090.24 - Step 6: Final answer
x = 749,860.08
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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.