Finding the Fourth Proportional to 663,447.08, 994,461.24 and 378,523.82
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Solution
The fourth proportional to 663,447.08, 994,461.24 and 378,523.82 is: 567,381.00
Step by Step Solution
- Step 1: Write the proportion equation
663,447.08 : 994,461.24 = 378,523.82 : x - Step 2: Convert to fraction form
663,447.08/994,461.24 = 378,523.82/x - Step 3: Cross multiply
663,447.08x = 994,461.24 × 378,523.82 - Step 4: Simplify right side
663,447.08x = 376,427,267,406.74 - Step 5: Solve for x
x = 376,427,267,406.74/663,447.08 - Step 6: Final answer
x = 567,381.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.