Finding the Fourth Proportional to 423,558.05, 631,600.72 and 364,771.49
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Solution
The fourth proportional to 423,558.05, 631,600.72 and 364,771.49 is: 543,939.45
Step by Step Solution
- Step 1: Write the proportion equation
423,558.05 : 631,600.72 = 364,771.49 : x - Step 2: Convert to fraction form
423,558.05/631,600.72 = 364,771.49/x - Step 3: Cross multiply
423,558.05x = 631,600.72 × 364,771.49 - Step 4: Simplify right side
423,558.05x = 230,389,931,649.54 - Step 5: Solve for x
x = 230,389,931,649.54/423,558.05 - Step 6: Final answer
x = 543,939.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.