Finding the Fourth Proportional to 633,606.13, 874,369.17 and 343,212.15
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Solution
The fourth proportional to 633,606.13, 874,369.17 and 343,212.15 is: 473,628.82
Step by Step Solution
- Step 1: Write the proportion equation
633,606.13 : 874,369.17 = 343,212.15 : x - Step 2: Convert to fraction form
633,606.13/874,369.17 = 343,212.15/x - Step 3: Cross multiply
633,606.13x = 874,369.17 × 343,212.15 - Step 4: Simplify right side
633,606.13x = 300,094,122,729.42 - Step 5: Solve for x
x = 300,094,122,729.42/633,606.13 - Step 6: Final answer
x = 473,628.82
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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.