Finding the Fourth Proportional to 951,489.26, 1,313,073.18 and 521,743.76
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Solution
The fourth proportional to 951,489.26, 1,313,073.18 and 521,743.76 is: 720,016.26
Step by Step Solution
- Step 1: Write the proportion equation
951,489.26 : 1,313,073.18 = 521,743.76 : x - Step 2: Convert to fraction form
951,489.26/1,313,073.18 = 521,743.76/x - Step 3: Cross multiply
951,489.26x = 1,313,073.18 × 521,743.76 - Step 4: Simplify right side
951,489.26x = 685,087,738,088.36 - Step 5: Solve for x
x = 685,087,738,088.36/951,489.26 - Step 6: Final answer
x = 720,016.26
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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.