Finding the Fourth Proportional to 750,731.09, 1,126,096.64 and 189,765.59
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Solution
The fourth proportional to 750,731.09, 1,126,096.64 and 189,765.59 is: 284,648.39
Step by Step Solution
- Step 1: Write the proportion equation
750,731.09 : 1,126,096.64 = 189,765.59 : x - Step 2: Convert to fraction form
750,731.09/1,126,096.64 = 189,765.59/x - Step 3: Cross multiply
750,731.09x = 1,126,096.64 × 189,765.59 - Step 4: Simplify right side
750,731.09x = 213,694,392,337.79 - Step 5: Solve for x
x = 213,694,392,337.79/750,731.09 - Step 6: Final answer
x = 284,648.39
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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.