Finding the Fourth Proportional to 816,154.12, 1,126,265.73 and 448,632.49
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Solution
The fourth proportional to 816,154.12, 1,126,265.73 and 448,632.49 is: 619,098.02
Step by Step Solution
- Step 1: Write the proportion equation
816,154.12 : 1,126,265.73 = 448,632.49 : x - Step 2: Convert to fraction form
816,154.12/1,126,265.73 = 448,632.49/x - Step 3: Cross multiply
816,154.12x = 1,126,265.73 × 448,632.49 - Step 4: Simplify right side
816,154.12x = 505,279,398,851.57 - Step 5: Solve for x
x = 505,279,398,851.57/816,154.12 - Step 6: Final answer
x = 619,098.02
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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.