Finding the Fourth Proportional to 795,278.70, 1,193,442.94 and 421,564.14
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Solution
The fourth proportional to 795,278.70, 1,193,442.94 and 421,564.14 is: 632,624.45
Step by Step Solution
- Step 1: Write the proportion equation
795,278.70 : 1,193,442.94 = 421,564.14 : x - Step 2: Convert to fraction form
795,278.70/1,193,442.94 = 421,564.14/x - Step 3: Cross multiply
795,278.70x = 1,193,442.94 × 421,564.14 - Step 4: Simplify right side
795,278.70x = 503,112,746,640.17 - Step 5: Solve for x
x = 503,112,746,640.17/795,278.70 - Step 6: Final answer
x = 632,624.45
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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.