Finding the Fourth Proportional to 660,874.87, 912,052.43 and 374,397.31
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Solution
The fourth proportional to 660,874.87, 912,052.43 and 374,397.31 is: 516,693.84
Step by Step Solution
- Step 1: Write the proportion equation
660,874.87 : 912,052.43 = 374,397.31 : x - Step 2: Convert to fraction form
660,874.87/912,052.43 = 374,397.31/x - Step 3: Cross multiply
660,874.87x = 912,052.43 × 374,397.31 - Step 4: Simplify right side
660,874.87x = 341,469,977,043.03 - Step 5: Solve for x
x = 341,469,977,043.03/660,874.87 - Step 6: Final answer
x = 516,693.84
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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.