Finding the Fourth Proportional to 612,833.53, 919,063.35 and 492,605.26
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Solution
The fourth proportional to 612,833.53, 919,063.35 and 492,605.26 is: 738,757.62
Step by Step Solution
- Step 1: Write the proportion equation
612,833.53 : 919,063.35 = 492,605.26 : x - Step 2: Convert to fraction form
612,833.53/919,063.35 = 492,605.26/x - Step 3: Cross multiply
612,833.53x = 919,063.35 × 492,605.26 - Step 4: Simplify right side
612,833.53x = 452,735,440,483.22 - Step 5: Solve for x
x = 452,735,440,483.22/612,833.53 - Step 6: Final answer
x = 738,757.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.