Finding the Fourth Proportional to 629,324.91, 868,438.08 and 357,356.88
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Solution
The fourth proportional to 629,324.91, 868,438.08 and 357,356.88 is: 493,135.29
Step by Step Solution
- Step 1: Write the proportion equation
629,324.91 : 868,438.08 = 357,356.88 : x - Step 2: Convert to fraction form
629,324.91/868,438.08 = 357,356.88/x - Step 3: Cross multiply
629,324.91x = 868,438.08 × 357,356.88 - Step 4: Simplify right side
629,324.91x = 310,342,322,741.99 - Step 5: Solve for x
x = 310,342,322,741.99/629,324.91 - Step 6: Final answer
x = 493,135.29
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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.