Finding the Fourth Proportional to 451,487.99, 677,344.74 and 318,627.74
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Solution
The fourth proportional to 451,487.99, 677,344.74 and 318,627.74 is: 478,021.18
Step by Step Solution
- Step 1: Write the proportion equation
451,487.99 : 677,344.74 = 318,627.74 : x - Step 2: Convert to fraction form
451,487.99/677,344.74 = 318,627.74/x - Step 3: Cross multiply
451,487.99x = 677,344.74 × 318,627.74 - Step 4: Simplify right side
451,487.99x = 215,820,823,707.09 - Step 5: Solve for x
x = 215,820,823,707.09/451,487.99 - Step 6: Final answer
x = 478,021.18
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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.