Finding the Fourth Proportional to 673,612.70, 1,010,686.35 and 274,282.70
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Solution
The fourth proportional to 673,612.70, 1,010,686.35 and 274,282.70 is: 411,532.89
Step by Step Solution
- Step 1: Write the proportion equation
673,612.70 : 1,010,686.35 = 274,282.70 : x - Step 2: Convert to fraction form
673,612.70/1,010,686.35 = 274,282.70/x - Step 3: Cross multiply
673,612.70x = 1,010,686.35 × 274,282.70 - Step 4: Simplify right side
673,612.70x = 277,213,780,931.15 - Step 5: Solve for x
x = 277,213,780,931.15/673,612.70 - Step 6: Final answer
x = 411,532.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.