Finding the Fourth Proportional to 508,378.68, 701,560.44 and 282,024.18
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Solution
The fourth proportional to 508,378.68, 701,560.44 and 282,024.18 is: 389,192.18
Step by Step Solution
- Step 1: Write the proportion equation
508,378.68 : 701,560.44 = 282,024.18 : x - Step 2: Convert to fraction form
508,378.68/701,560.44 = 282,024.18/x - Step 3: Cross multiply
508,378.68x = 701,560.44 × 282,024.18 - Step 4: Simplify right side
508,378.68x = 197,857,007,811.44 - Step 5: Solve for x
x = 197,857,007,811.44/508,378.68 - Step 6: Final answer
x = 389,192.18
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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.