Finding the Fourth Proportional to 945,886.16, 1,305,350.76 and 516,194.12
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Solution
The fourth proportional to 945,886.16, 1,305,350.76 and 516,194.12 is: 712,363.09
Step by Step Solution
- Step 1: Write the proportion equation
945,886.16 : 1,305,350.76 = 516,194.12 : x - Step 2: Convert to fraction form
945,886.16/1,305,350.76 = 516,194.12/x - Step 3: Cross multiply
945,886.16x = 1,305,350.76 × 516,194.12 - Step 4: Simplify right side
945,886.16x = 673,814,386,849.53 - Step 5: Solve for x
x = 673,814,386,849.53/945,886.16 - Step 6: Final answer
x = 712,363.09
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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.