Finding the Fourth Proportional to 667,325.19, 921,000.39 and 409,156.48
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Solution
The fourth proportional to 667,325.19, 921,000.39 and 409,156.48 is: 564,692.12
Step by Step Solution
- Step 1: Write the proportion equation
667,325.19 : 921,000.39 = 409,156.48 : x - Step 2: Convert to fraction form
667,325.19/921,000.39 = 409,156.48/x - Step 3: Cross multiply
667,325.19x = 921,000.39 × 409,156.48 - Step 4: Simplify right side
667,325.19x = 376,833,277,651.03 - Step 5: Solve for x
x = 376,833,277,651.03/667,325.19 - Step 6: Final answer
x = 564,692.12
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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.