Finding the Fourth Proportional to 637,503.48, 879,758.01 and 365,581.62
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Solution
The fourth proportional to 637,503.48, 879,758.01 and 365,581.62 is: 504,504.48
Step by Step Solution
- Step 1: Write the proportion equation
637,503.48 : 879,758.01 = 365,581.62 : x - Step 2: Convert to fraction form
637,503.48/879,758.01 = 365,581.62/x - Step 3: Cross multiply
637,503.48x = 879,758.01 × 365,581.62 - Step 4: Simplify right side
637,503.48x = 321,623,358,503.78 - Step 5: Solve for x
x = 321,623,358,503.78/637,503.48 - Step 6: Final answer
x = 504,504.48
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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.