Finding the Fourth Proportional to 874,942.75, 1,207,421 and 472,534.75
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Solution
The fourth proportional to 874,942.75, 1,207,421 and 472,534.75 is: 652,097.96
Step by Step Solution
- Step 1: Write the proportion equation
874,942.75 : 1,207,421 = 472,534.75 : x - Step 2: Convert to fraction form
874,942.75/1,207,421 = 472,534.75/x - Step 3: Cross multiply
874,942.75x = 1,207,421 × 472,534.75 - Step 4: Simplify right side
874,942.75x = 570,548,380,379.75 - Step 5: Solve for x
x = 570,548,380,379.75/874,942.75 - Step 6: Final answer
x = 652,097.96
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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.