Finding the Fourth Proportional to 629,590.88, 868,810.05 and 343,104.81
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Solution
The fourth proportional to 629,590.88, 868,810.05 and 343,104.81 is: 473,470.82
Step by Step Solution
- Step 1: Write the proportion equation
629,590.88 : 868,810.05 = 343,104.81 : x - Step 2: Convert to fraction form
629,590.88/868,810.05 = 343,104.81/x - Step 3: Cross multiply
629,590.88x = 868,810.05 × 343,104.81 - Step 4: Simplify right side
629,590.88x = 298,092,907,131.34 - Step 5: Solve for x
x = 298,092,907,131.34/629,590.88 - Step 6: Final answer
x = 473,470.82
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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.