Finding the Fourth Proportional to 762,735.75, 1,048,842.86 and 661,958.79
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Solution
The fourth proportional to 762,735.75, 1,048,842.86 and 661,958.79 is: 910,263.81
Step by Step Solution
- Step 1: Write the proportion equation
762,735.75 : 1,048,842.86 = 661,958.79 : x - Step 2: Convert to fraction form
762,735.75/1,048,842.86 = 661,958.79/x - Step 3: Cross multiply
762,735.75x = 1,048,842.86 × 661,958.79 - Step 4: Simplify right side
762,735.75x = 694,290,747,195.95 - Step 5: Solve for x
x = 694,290,747,195.95/762,735.75 - Step 6: Final answer
x = 910,263.81
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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.