Finding the Fourth Proportional to 853,620.62, 1,178,241.90 and 563,443.99
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Solution
The fourth proportional to 853,620.62, 1,178,241.90 and 563,443.99 is: 777,714.71
Step by Step Solution
- Step 1: Write the proportion equation
853,620.62 : 1,178,241.90 = 563,443.99 : x - Step 2: Convert to fraction form
853,620.62/1,178,241.90 = 563,443.99/x - Step 3: Cross multiply
853,620.62x = 1,178,241.90 × 563,443.99 - Step 4: Simplify right side
853,620.62x = 663,873,311,429.97 - Step 5: Solve for x
x = 663,873,311,429.97/853,620.62 - Step 6: Final answer
x = 777,714.71
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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.