Finding the Fourth Proportional to 702,692.21, 969,715.04 and 380,402.06
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Solution
The fourth proportional to 702,692.21, 969,715.04 and 380,402.06 is: 524,954.73
Step by Step Solution
- Step 1: Write the proportion equation
702,692.21 : 969,715.04 = 380,402.06 : x - Step 2: Convert to fraction form
702,692.21/969,715.04 = 380,402.06/x - Step 3: Cross multiply
702,692.21x = 969,715.04 × 380,402.06 - Step 4: Simplify right side
702,692.21x = 368,881,596,926.97 - Step 5: Solve for x
x = 368,881,596,926.97/702,692.21 - Step 6: Final answer
x = 524,954.73
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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.