Finding the Fourth Proportional to 629,946.20, 943,272.14 and 345,044.08
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Solution
The fourth proportional to 629,946.20, 943,272.14 and 345,044.08 is: 516,663.91
Step by Step Solution
- Step 1: Write the proportion equation
629,946.20 : 943,272.14 = 345,044.08 : x - Step 2: Convert to fraction form
629,946.20/943,272.14 = 345,044.08/x - Step 3: Cross multiply
629,946.20x = 943,272.14 × 345,044.08 - Step 4: Simplify right side
629,946.20x = 325,470,467,735.93 - Step 5: Solve for x
x = 325,470,467,735.93/629,946.20 - Step 6: Final answer
x = 516,663.91
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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.