Finding the Fourth Proportional to 508,376.71, 701,619.74 and 282,036.79
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Solution
The fourth proportional to 508,376.71, 701,619.74 and 282,036.79 is: 389,243.99
Step by Step Solution
- Step 1: Write the proportion equation
508,376.71 : 701,619.74 = 282,036.79 : x - Step 2: Convert to fraction form
508,376.71/701,619.74 = 282,036.79/x - Step 3: Cross multiply
508,376.71x = 701,619.74 × 282,036.79 - Step 4: Simplify right side
508,376.71x = 197,882,579,270.24 - Step 5: Solve for x
x = 197,882,579,270.24/508,376.71 - Step 6: Final answer
x = 389,243.99
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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.