Finding the Fourth Proportional to 762,151.10, 1,051,692.73 and 439,964.99
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Solution
The fourth proportional to 762,151.10, 1,051,692.73 and 439,964.99 is: 607,107.94
Step by Step Solution
- Step 1: Write the proportion equation
762,151.10 : 1,051,692.73 = 439,964.99 : x - Step 2: Convert to fraction form
762,151.10/1,051,692.73 = 439,964.99/x - Step 3: Cross multiply
762,151.10x = 1,051,692.73 × 439,964.99 - Step 4: Simplify right side
762,151.10x = 462,707,979,022.99 - Step 5: Solve for x
x = 462,707,979,022.99/762,151.10 - Step 6: Final answer
x = 607,107.94
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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.