Finding the Fourth Proportional to 702,692.68, 969,716.21 and 380,402.77
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Solution
The fourth proportional to 702,692.68, 969,716.21 and 380,402.77 is: 524,955.99
Step by Step Solution
- Step 1: Write the proportion equation
702,692.68 : 969,716.21 = 380,402.77 : x - Step 2: Convert to fraction form
702,692.68/969,716.21 = 380,402.77/x - Step 3: Cross multiply
702,692.68x = 969,716.21 × 380,402.77 - Step 4: Simplify right side
702,692.68x = 368,882,728,393.15 - Step 5: Solve for x
x = 368,882,728,393.15/702,692.68 - Step 6: Final answer
x = 524,955.99
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1.5x scale
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.