Finding the Fourth Proportional to 802,634.76, 1,107,670.89 and 480,283.08
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Solution
The fourth proportional to 802,634.76, 1,107,670.89 and 480,283.08 is: 662,811.55
Step by Step Solution
- Step 1: Write the proportion equation
802,634.76 : 1,107,670.89 = 480,283.08 : x - Step 2: Convert to fraction form
802,634.76/1,107,670.89 = 480,283.08/x - Step 3: Cross multiply
802,634.76x = 1,107,670.89 × 480,283.08 - Step 4: Simplify right side
802,634.76x = 531,995,586,675.54 - Step 5: Solve for x
x = 531,995,586,675.54/802,634.76 - Step 6: Final answer
x = 662,811.55
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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.