Finding the Fourth Proportional to 750,615.26, 1,126,112.99 and 218,124.86
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Solution
The fourth proportional to 750,615.26, 1,126,112.99 and 218,124.86 is: 327,242.53
Step by Step Solution
- Step 1: Write the proportion equation
750,615.26 : 1,126,112.99 = 218,124.86 : x - Step 2: Convert to fraction form
750,615.26/1,126,112.99 = 218,124.86/x - Step 3: Cross multiply
750,615.26x = 1,126,112.99 × 218,124.86 - Step 4: Simplify right side
750,615.26x = 245,633,238,287.93 - Step 5: Solve for x
x = 245,633,238,287.93/750,615.26 - Step 6: Final answer
x = 327,242.53
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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.