Finding the Fourth Proportional to 825,872.74, 1,139,859.97 and 538,894.60
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Solution
The fourth proportional to 825,872.74, 1,139,859.97 and 538,894.60 is: 743,776.07
Step by Step Solution
- Step 1: Write the proportion equation
825,872.74 : 1,139,859.97 = 538,894.60 : x - Step 2: Convert to fraction form
825,872.74/1,139,859.97 = 538,894.60/x - Step 3: Cross multiply
825,872.74x = 1,139,859.97 × 538,894.60 - Step 4: Simplify right side
825,872.74x = 614,264,382,589.16 - Step 5: Solve for x
x = 614,264,382,589.16/825,872.74 - Step 6: Final answer
x = 743,776.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.