Finding the Fourth Proportional to 780,251.19, 1,076,449.89 and 576,790.62
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Solution
The fourth proportional to 780,251.19, 1,076,449.89 and 576,790.62 is: 795,751.69
Step by Step Solution
- Step 1: Write the proportion equation
780,251.19 : 1,076,449.89 = 576,790.62 : x - Step 2: Convert to fraction form
780,251.19/1,076,449.89 = 576,790.62/x - Step 3: Cross multiply
780,251.19x = 1,076,449.89 × 576,790.62 - Step 4: Simplify right side
780,251.19x = 620,886,199,452.03 - Step 5: Solve for x
x = 620,886,199,452.03/780,251.19 - Step 6: Final answer
x = 795,751.69
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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.