Finding the Fourth Proportional to 629,672.16, 868,948.24 and 343,192.48
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Solution
The fourth proportional to 629,672.16, 868,948.24 and 343,192.48 is: 473,605.98
Step by Step Solution
- Step 1: Write the proportion equation
629,672.16 : 868,948.24 = 343,192.48 : x - Step 2: Convert to fraction form
629,672.16/868,948.24 = 343,192.48/x - Step 3: Cross multiply
629,672.16x = 868,948.24 × 343,192.48 - Step 4: Simplify right side
629,672.16x = 298,216,501,477.24 - Step 5: Solve for x
x = 298,216,501,477.24/629,672.16 - Step 6: Final answer
x = 473,605.98
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1.5x scale
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.