Finding the Fourth Proportional to 991,692.08, 1,368,535.24 and 538,983.12
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Solution
The fourth proportional to 991,692.08, 1,368,535.24 and 538,983.12 is: 743,796.80
Step by Step Solution
- Step 1: Write the proportion equation
991,692.08 : 1,368,535.24 = 538,983.12 : x - Step 2: Convert to fraction form
991,692.08/1,368,535.24 = 538,983.12/x - Step 3: Cross multiply
991,692.08x = 1,368,535.24 × 538,983.12 - Step 4: Simplify right side
991,692.08x = 737,617,393,485.15 - Step 5: Solve for x
x = 737,617,393,485.15/991,692.08 - Step 6: Final answer
x = 743,796.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.