Finding the Fourth Proportional to 762,935.76, 1,052,743.68 and 456,940.44
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Solution
The fourth proportional to 762,935.76, 1,052,743.68 and 456,940.44 is: 630,513.32
Step by Step Solution
- Step 1: Write the proportion equation
762,935.76 : 1,052,743.68 = 456,940.44 : x - Step 2: Convert to fraction form
762,935.76/1,052,743.68 = 456,940.44/x - Step 3: Cross multiply
762,935.76x = 1,052,743.68 × 456,940.44 - Step 4: Simplify right side
762,935.76x = 481,041,160,346.42 - Step 5: Solve for x
x = 481,041,160,346.42/762,935.76 - Step 6: Final answer
x = 630,513.32
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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.