Finding the Fourth Proportional to 770,167.68, 1,063,154.88 and 468,466.56
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Solution
The fourth proportional to 770,167.68, 1,063,154.88 and 468,466.56 is: 646,680.62
Step by Step Solution
- Step 1: Write the proportion equation
770,167.68 : 1,063,154.88 = 468,466.56 : x - Step 2: Convert to fraction form
770,167.68/1,063,154.88 = 468,466.56/x - Step 3: Cross multiply
770,167.68x = 1,063,154.88 × 468,466.56 - Step 4: Simplify right side
770,167.68x = 498,052,509,380.81 - Step 5: Solve for x
x = 498,052,509,380.81/770,167.68 - Step 6: Final answer
x = 646,680.62
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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.