Finding the Fourth Proportional to 853,661.26, 1,178,052.15 and 471,684.70
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Solution
The fourth proportional to 853,661.26, 1,178,052.15 and 471,684.70 is: 650,924.67
Step by Step Solution
- Step 1: Write the proportion equation
853,661.26 : 1,178,052.15 = 471,684.70 : x - Step 2: Convert to fraction form
853,661.26/1,178,052.15 = 471,684.70/x - Step 3: Cross multiply
853,661.26x = 1,178,052.15 × 471,684.70 - Step 4: Simplify right side
853,661.26x = 555,669,174,957.11 - Step 5: Solve for x
x = 555,669,174,957.11/853,661.26 - Step 6: Final answer
x = 650,924.67
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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.