Finding the Fourth Proportional to 782,168.63, 1,079,392.71 and 424,472.63
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Solution
The fourth proportional to 782,168.63, 1,079,392.71 and 424,472.63 is: 585,772.23
Step by Step Solution
- Step 1: Write the proportion equation
782,168.63 : 1,079,392.71 = 424,472.63 : x - Step 2: Convert to fraction form
782,168.63/1,079,392.71 = 424,472.63/x - Step 3: Cross multiply
782,168.63x = 1,079,392.71 × 424,472.63 - Step 4: Simplify right side
782,168.63x = 458,172,662,416.53 - Step 5: Solve for x
x = 458,172,662,416.53/782,168.63 - Step 6: Final answer
x = 585,772.23
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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.