Finding the Fourth Proportional to 640,119.03, 960,436.74 and 284,890.08
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Solution
The fourth proportional to 640,119.03, 960,436.74 and 284,890.08 is: 427,450.03
Step by Step Solution
- Step 1: Write the proportion equation
640,119.03 : 960,436.74 = 284,890.08 : x - Step 2: Convert to fraction form
640,119.03/960,436.74 = 284,890.08/x - Step 3: Cross multiply
640,119.03x = 960,436.74 × 284,890.08 - Step 4: Simplify right side
640,119.03x = 273,618,899,693.54 - Step 5: Solve for x
x = 273,618,899,693.54/640,119.03 - Step 6: Final answer
x = 427,450.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.