Finding the Fourth Proportional to 455,553.44, 683,332.60 and 298,774.70
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Solution
The fourth proportional to 455,553.44, 683,332.60 and 298,774.70 is: 448,163.65
Step by Step Solution
- Step 1: Write the proportion equation
455,553.44 : 683,332.60 = 298,774.70 : x - Step 2: Convert to fraction form
455,553.44/683,332.60 = 298,774.70/x - Step 3: Cross multiply
455,553.44x = 683,332.60 × 298,774.70 - Step 4: Simplify right side
455,553.44x = 204,162,492,565.22 - Step 5: Solve for x
x = 204,162,492,565.22/455,553.44 - Step 6: Final answer
x = 448,163.65
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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.