Finding the Fourth Proportional to 730,105.62, 1,092,494.07 and 430,729.62
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Solution
The fourth proportional to 730,105.62, 1,092,494.07 and 430,729.62 is: 644,522.58
Step by Step Solution
- Step 1: Write the proportion equation
730,105.62 : 1,092,494.07 = 430,729.62 : x - Step 2: Convert to fraction form
730,105.62/1,092,494.07 = 430,729.62/x - Step 3: Cross multiply
730,105.62x = 1,092,494.07 × 430,729.62 - Step 4: Simplify right side
730,105.62x = 470,569,555,623.35 - Step 5: Solve for x
x = 470,569,555,623.35/730,105.62 - Step 6: Final answer
x = 644,522.58
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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.