Finding the Fourth Proportional to 629,481.07, 868,656.72 and 357,548.12
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Solution
The fourth proportional to 629,481.07, 868,656.72 and 357,548.12 is: 493,400.99
Step by Step Solution
- Step 1: Write the proportion equation
629,481.07 : 868,656.72 = 357,548.12 : x - Step 2: Convert to fraction form
629,481.07/868,656.72 = 357,548.12/x - Step 3: Cross multiply
629,481.07x = 868,656.72 × 357,548.12 - Step 4: Simplify right side
629,481.07x = 310,586,582,302.55 - Step 5: Solve for x
x = 310,586,582,302.55/629,481.07 - Step 6: Final answer
x = 493,400.99
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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.