Finding the Fourth Proportional to 792,756.13, 1,093,988.28 and 448,585.79
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Solution
The fourth proportional to 792,756.13, 1,093,988.28 and 448,585.79 is: 619,039.80
Step by Step Solution
- Step 1: Write the proportion equation
792,756.13 : 1,093,988.28 = 448,585.79 : x - Step 2: Convert to fraction form
792,756.13/1,093,988.28 = 448,585.79/x - Step 3: Cross multiply
792,756.13x = 1,093,988.28 × 448,585.79 - Step 4: Simplify right side
792,756.13x = 490,747,595,907.97 - Step 5: Solve for x
x = 490,747,595,907.97/792,756.13 - Step 6: Final answer
x = 619,039.80
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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.