Finding the Fourth Proportional to 923,993.68, 1,275,097.74 and 516,101.42
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Solution
The fourth proportional to 923,993.68, 1,275,097.74 and 516,101.42 is: 712,212.40
Step by Step Solution
- Step 1: Write the proportion equation
923,993.68 : 1,275,097.74 = 516,101.42 : x - Step 2: Convert to fraction form
923,993.68/1,275,097.74 = 516,101.42/x - Step 3: Cross multiply
923,993.68x = 1,275,097.74 × 516,101.42 - Step 4: Simplify right side
923,993.68x = 658,079,754,252.79 - Step 5: Solve for x
x = 658,079,754,252.79/923,993.68 - Step 6: Final answer
x = 712,212.40
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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.