Finding the Fourth Proportional to 810,701.37, 1,118,836.94 and 471,147.75
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Solution
The fourth proportional to 810,701.37, 1,118,836.94 and 471,147.75 is: 650,224.02
Step by Step Solution
- Step 1: Write the proportion equation
810,701.37 : 1,118,836.94 = 471,147.75 : x - Step 2: Convert to fraction form
810,701.37/1,118,836.94 = 471,147.75/x - Step 3: Cross multiply
810,701.37x = 1,118,836.94 × 471,147.75 - Step 4: Simplify right side
810,701.37x = 527,137,504,542.15 - Step 5: Solve for x
x = 527,137,504,542.15/810,701.37 - Step 6: Final answer
x = 650,224.02
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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.