Finding the Fourth Proportional to 802,110, 1,106,911.80 and 479,833.68
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Solution
The fourth proportional to 802,110, 1,106,911.80 and 479,833.68 is: 662,170.48
Step by Step Solution
- Step 1: Write the proportion equation
802,110 : 1,106,911.80 = 479,833.68 : x - Step 2: Convert to fraction form
802,110/1,106,911.80 = 479,833.68/x - Step 3: Cross multiply
802,110x = 1,106,911.80 × 479,833.68 - Step 4: Simplify right side
802,110x = 531,133,562,429.42 - Step 5: Solve for x
x = 531,133,562,429.42/802,110 - Step 6: Final answer
x = 662,170.48
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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.