Finding the Fourth Proportional to 875,635.43, 1,207,917.41 and 712,474.12
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Solution
The fourth proportional to 875,635.43, 1,207,917.41 and 712,474.12 is: 982,840.42
Step by Step Solution
- Step 1: Write the proportion equation
875,635.43 : 1,207,917.41 = 712,474.12 : x - Step 2: Convert to fraction form
875,635.43/1,207,917.41 = 712,474.12/x - Step 3: Cross multiply
875,635.43x = 1,207,917.41 × 712,474.12 - Step 4: Simplify right side
875,635.43x = 860,609,893,722.43 - Step 5: Solve for x
x = 860,609,893,722.43/875,635.43 - Step 6: Final answer
x = 982,840.42
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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.