Finding the Fourth Proportional to 576,436.76, 793,721.79 and 522,370.07
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Solution
The fourth proportional to 576,436.76, 793,721.79 and 522,370.07 is: 719,274.92
Step by Step Solution
- Step 1: Write the proportion equation
576,436.76 : 793,721.79 = 522,370.07 : x - Step 2: Convert to fraction form
576,436.76/793,721.79 = 522,370.07/x - Step 3: Cross multiply
576,436.76x = 793,721.79 × 522,370.07 - Step 4: Simplify right side
576,436.76x = 414,616,503,034.22 - Step 5: Solve for x
x = 414,616,503,034.22/576,436.76 - Step 6: Final answer
x = 719,274.92
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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.