Finding the Fourth Proportional to 504,430.57, 696,121.91 and 274,987.99
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Solution
The fourth proportional to 504,430.57, 696,121.91 and 274,987.99 is: 379,487.64
Step by Step Solution
- Step 1: Write the proportion equation
504,430.57 : 696,121.91 = 274,987.99 : x - Step 2: Convert to fraction form
504,430.57/696,121.91 = 274,987.99/x - Step 3: Cross multiply
504,430.57x = 696,121.91 × 274,987.99 - Step 4: Simplify right side
504,430.57x = 191,425,164,825.86 - Step 5: Solve for x
x = 191,425,164,825.86/504,430.57 - Step 6: Final answer
x = 379,487.64
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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.