Finding the Fourth Proportional to 631,652.24, 871,692.64 and 345,190.08
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Solution
The fourth proportional to 631,652.24, 871,692.64 and 345,190.08 is: 476,369.17
Step by Step Solution
- Step 1: Write the proportion equation
631,652.24 : 871,692.64 = 345,190.08 : x - Step 2: Convert to fraction form
631,652.24/871,692.64 = 345,190.08/x - Step 3: Cross multiply
631,652.24x = 871,692.64 × 345,190.08 - Step 4: Simplify right side
631,652.24x = 300,899,652,137.01 - Step 5: Solve for x
x = 300,899,652,137.01/631,652.24 - Step 6: Final answer
x = 476,369.17
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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.