Finding the Fourth Proportional to 893,639.80, 1,341,414.66 and 361,508.68
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Solution
The fourth proportional to 893,639.80, 1,341,414.66 and 361,508.68 is: 542,649.33
Step by Step Solution
- Step 1: Write the proportion equation
893,639.80 : 1,341,414.66 = 361,508.68 : x - Step 2: Convert to fraction form
893,639.80/1,341,414.66 = 361,508.68/x - Step 3: Cross multiply
893,639.80x = 1,341,414.66 × 361,508.68 - Step 4: Simplify right side
893,639.80x = 484,933,043,069.25 - Step 5: Solve for x
x = 484,933,043,069.25/893,639.80 - Step 6: Final answer
x = 542,649.33
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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.