Finding the Fourth Proportional to 996,979.12, 1,375,824.18 and 544,270.12
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Solution
The fourth proportional to 996,979.12, 1,375,824.18 and 544,270.12 is: 751,088.94
Step by Step Solution
- Step 1: Write the proportion equation
996,979.12 : 1,375,824.18 = 544,270.12 : x - Step 2: Convert to fraction form
996,979.12/1,375,824.18 = 544,270.12/x - Step 3: Cross multiply
996,979.12x = 1,375,824.18 × 544,270.12 - Step 4: Simplify right side
996,979.12x = 748,819,991,547.50 - Step 5: Solve for x
x = 748,819,991,547.50/996,979.12 - Step 6: Final answer
x = 751,088.94
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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.