Finding the Fourth Proportional to 746,453.07, 1,030,131.68 and 424,176.75
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Solution
The fourth proportional to 746,453.07, 1,030,131.68 and 424,176.75 is: 585,378.94
Step by Step Solution
- Step 1: Write the proportion equation
746,453.07 : 1,030,131.68 = 424,176.75 : x - Step 2: Convert to fraction form
746,453.07/1,030,131.68 = 424,176.75/x - Step 3: Cross multiply
746,453.07x = 1,030,131.68 × 424,176.75 - Step 4: Simplify right side
746,453.07x = 436,957,905,973.56 - Step 5: Solve for x
x = 436,957,905,973.56/746,453.07 - Step 6: Final answer
x = 585,378.94
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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.