Finding the Fourth Proportional to 770,543.49, 1,063,430.06 and 443,867.79
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Solution
The fourth proportional to 770,543.49, 1,063,430.06 and 443,867.79 is: 612,583.66
Step by Step Solution
- Step 1: Write the proportion equation
770,543.49 : 1,063,430.06 = 443,867.79 : x - Step 2: Convert to fraction form
770,543.49/1,063,430.06 = 443,867.79/x - Step 3: Cross multiply
770,543.49x = 1,063,430.06 × 443,867.79 - Step 4: Simplify right side
770,543.49x = 472,022,348,332.43 - Step 5: Solve for x
x = 472,022,348,332.43/770,543.49 - Step 6: Final answer
x = 612,583.66
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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.