Finding the Fourth Proportional to 629,590.64, 868,809.84 and 343,104.62
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Solution
The fourth proportional to 629,590.64, 868,809.84 and 343,104.62 is: 473,470.62
Step by Step Solution
- Step 1: Write the proportion equation
629,590.64 : 868,809.84 = 343,104.62 : x - Step 2: Convert to fraction form
629,590.64/868,809.84 = 343,104.62/x - Step 3: Cross multiply
629,590.64x = 868,809.84 × 343,104.62 - Step 4: Simplify right side
629,590.64x = 298,092,670,005.46 - Step 5: Solve for x
x = 298,092,670,005.46/629,590.64 - Step 6: Final answer
x = 473,470.62
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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.