Finding the Fourth Proportional to 996,684.84, 1,375,405.56 and 543,979.08
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Solution
The fourth proportional to 996,684.84, 1,375,405.56 and 543,979.08 is: 750,680.48
Step by Step Solution
- Step 1: Write the proportion equation
996,684.84 : 1,375,405.56 = 543,979.08 : x - Step 2: Convert to fraction form
996,684.84/1,375,405.56 = 543,979.08/x - Step 3: Cross multiply
996,684.84x = 1,375,405.56 × 543,979.08 - Step 4: Simplify right side
996,684.84x = 748,191,851,155.69 - Step 5: Solve for x
x = 748,191,851,155.69/996,684.84 - Step 6: Final answer
x = 750,680.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.