Finding the Fourth Proportional to 775,951.72, 1,070,803.06 and 436,419.97
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Solution
The fourth proportional to 775,951.72, 1,070,803.06 and 436,419.97 is: 602,253.75
Step by Step Solution
- Step 1: Write the proportion equation
775,951.72 : 1,070,803.06 = 436,419.97 : x - Step 2: Convert to fraction form
775,951.72/1,070,803.06 = 436,419.97/x - Step 3: Cross multiply
775,951.72x = 1,070,803.06 × 436,419.97 - Step 4: Simplify right side
775,951.72x = 467,319,835,553.05 - Step 5: Solve for x
x = 467,319,835,553.05/775,951.72 - Step 6: Final answer
x = 602,253.75
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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.