Finding the Fourth Proportional to 768,271.74, 1,060,110.63 and 445,930.62
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Solution
The fourth proportional to 768,271.74, 1,060,110.63 and 445,930.62 is: 615,323.68
Step by Step Solution
- Step 1: Write the proportion equation
768,271.74 : 1,060,110.63 = 445,930.62 : x - Step 2: Convert to fraction form
768,271.74/1,060,110.63 = 445,930.62/x - Step 3: Cross multiply
768,271.74x = 1,060,110.63 × 445,930.62 - Step 4: Simplify right side
768,271.74x = 472,735,790,504.49 - Step 5: Solve for x
x = 472,735,790,504.49/768,271.74 - Step 6: Final answer
x = 615,323.68
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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.