Finding the Fourth Proportional to 736,783.43, 1,105,175.15 and 263,440.09
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Solution
The fourth proportional to 736,783.43, 1,105,175.15 and 263,440.09 is: 395,160.14
Step by Step Solution
- Step 1: Write the proportion equation
736,783.43 : 1,105,175.15 = 263,440.09 : x - Step 2: Convert to fraction form
736,783.43/1,105,175.15 = 263,440.09/x - Step 3: Cross multiply
736,783.43x = 1,105,175.15 × 263,440.09 - Step 4: Simplify right side
736,783.43x = 291,147,440,981.76 - Step 5: Solve for x
x = 291,147,440,981.76/736,783.43 - Step 6: Final answer
x = 395,160.14
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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.