Finding the Fourth Proportional to 762,692.28, 1,052,512.47 and 418,533.99
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Solution
The fourth proportional to 762,692.28, 1,052,512.47 and 418,533.99 is: 577,575.33
Step by Step Solution
- Step 1: Write the proportion equation
762,692.28 : 1,052,512.47 = 418,533.99 : x - Step 2: Convert to fraction form
762,692.28/1,052,512.47 = 418,533.99/x - Step 3: Cross multiply
762,692.28x = 1,052,512.47 × 418,533.99 - Step 4: Simplify right side
762,692.28x = 440,512,243,593.86 - Step 5: Solve for x
x = 440,512,243,593.86/762,692.28 - Step 6: Final answer
x = 577,575.33
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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.