Finding the Fourth Proportional to 853,346.08, 1,279,966.96 and 354,714.40
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Solution
The fourth proportional to 853,346.08, 1,279,966.96 and 354,714.40 is: 532,049.92
Step by Step Solution
- Step 1: Write the proportion equation
853,346.08 : 1,279,966.96 = 354,714.40 : x - Step 2: Convert to fraction form
853,346.08/1,279,966.96 = 354,714.40/x - Step 3: Cross multiply
853,346.08x = 1,279,966.96 × 354,714.40 - Step 4: Simplify right side
853,346.08x = 454,022,712,236.22 - Step 5: Solve for x
x = 454,022,712,236.22/853,346.08 - Step 6: Final answer
x = 532,049.92
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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.