Finding the Fourth Proportional to 923,998.30, 1,275,104.12 and 516,106.06
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Solution
The fourth proportional to 923,998.30, 1,275,104.12 and 516,106.06 is: 712,218.80
Step by Step Solution
- Step 1: Write the proportion equation
923,998.30 : 1,275,104.12 = 516,106.06 : x - Step 2: Convert to fraction form
923,998.30/1,275,104.12 = 516,106.06/x - Step 3: Cross multiply
923,998.30x = 1,275,104.12 × 516,106.06 - Step 4: Simplify right side
923,998.30x = 658,088,957,694.68 - Step 5: Solve for x
x = 658,088,957,694.68/923,998.30 - Step 6: Final answer
x = 712,218.80
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1.5x scale
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.