Finding the Fourth Proportional to 770,750.44, 1,063,654.50 and 431,240.68
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Solution
The fourth proportional to 770,750.44, 1,063,654.50 and 431,240.68 is: 595,122.71
Step by Step Solution
- Step 1: Write the proportion equation
770,750.44 : 1,063,654.50 = 431,240.68 : x - Step 2: Convert to fraction form
770,750.44/1,063,654.50 = 431,240.68/x - Step 3: Cross multiply
770,750.44x = 1,063,654.50 × 431,240.68 - Step 4: Simplify right side
770,750.44x = 458,691,089,865.06 - Step 5: Solve for x
x = 458,691,089,865.06/770,750.44 - Step 6: Final answer
x = 595,122.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.