Finding the Fourth Proportional to 431,124.70, 602,393.60 and 431,124.70
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Solution
The fourth proportional to 431,124.70, 602,393.60 and 431,124.70 is: 602,393.60
Step by Step Solution
- Step 1: Write the proportion equation
431,124.70 : 602,393.60 = 431,124.70 : x - Step 2: Convert to fraction form
431,124.70/602,393.60 = 431,124.70/x - Step 3: Cross multiply
431,124.70x = 602,393.60 × 431,124.70 - Step 4: Simplify right side
431,124.70x = 259,706,760,081.92 - Step 5: Solve for x
x = 259,706,760,081.92/431,124.70 - Step 6: Final answer
x = 602,393.60
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.