Finding the Fourth Proportional to 771,464.99, 1,157,382.17 and 321,935.75
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Solution
The fourth proportional to 771,464.99, 1,157,382.17 and 321,935.75 is: 482,980.69
Step by Step Solution
- Step 1: Write the proportion equation
771,464.99 : 1,157,382.17 = 321,935.75 : x - Step 2: Convert to fraction form
771,464.99/1,157,382.17 = 321,935.75/x - Step 3: Cross multiply
771,464.99x = 1,157,382.17 × 321,935.75 - Step 4: Simplify right side
771,464.99x = 372,602,695,086.43 - Step 5: Solve for x
x = 372,602,695,086.43/771,464.99 - Step 6: Final answer
x = 482,980.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.