Finding the Fourth Proportional to 668,291.80, 1,002,550.02 and 331,349.08
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Solution
The fourth proportional to 668,291.80, 1,002,550.02 and 331,349.08 is: 497,079.31
Step by Step Solution
- Step 1: Write the proportion equation
668,291.80 : 1,002,550.02 = 331,349.08 : x - Step 2: Convert to fraction form
668,291.80/1,002,550.02 = 331,349.08/x - Step 3: Cross multiply
668,291.80x = 1,002,550.02 × 331,349.08 - Step 4: Simplify right side
668,291.80x = 332,194,026,780.98 - Step 5: Solve for x
x = 332,194,026,780.98/668,291.80 - Step 6: Final answer
x = 497,079.31
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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.