Finding the Fourth Proportional to 629,629.08, 868,911.57 and 357,743.07
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Solution
The fourth proportional to 629,629.08, 868,911.57 and 357,743.07 is: 493,698.75
Step by Step Solution
- Step 1: Write the proportion equation
629,629.08 : 868,911.57 = 357,743.07 : x - Step 2: Convert to fraction form
629,629.08/868,911.57 = 357,743.07/x - Step 3: Cross multiply
629,629.08x = 868,911.57 × 357,743.07 - Step 4: Simplify right side
629,629.08x = 310,847,092,610.32 - Step 5: Solve for x
x = 310,847,092,610.32/629,629.08 - Step 6: Final answer
x = 493,698.75
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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.