Finding the Fourth Proportional to 629,440.36, 868,616.74 and 342,962.80
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Solution
The fourth proportional to 629,440.36, 868,616.74 and 342,962.80 is: 473,282.69
Step by Step Solution
- Step 1: Write the proportion equation
629,440.36 : 868,616.74 = 342,962.80 : x - Step 2: Convert to fraction form
629,440.36/868,616.74 = 342,962.80/x - Step 3: Cross multiply
629,440.36x = 868,616.74 × 342,962.80 - Step 4: Simplify right side
629,440.36x = 297,903,229,277.27 - Step 5: Solve for x
x = 297,903,229,277.27/629,440.36 - Step 6: Final answer
x = 473,282.69
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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.