Finding the Fourth Proportional to 827,172.88, 1,141,446 and 464,587.36
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Solution
The fourth proportional to 827,172.88, 1,141,446 and 464,587.36 is: 641,101.03
Step by Step Solution
- Step 1: Write the proportion equation
827,172.88 : 1,141,446 = 464,587.36 : x - Step 2: Convert to fraction form
827,172.88/1,141,446 = 464,587.36/x - Step 3: Cross multiply
827,172.88x = 1,141,446 × 464,587.36 - Step 4: Simplify right side
827,172.88x = 530,301,383,722.56 - Step 5: Solve for x
x = 530,301,383,722.56/827,172.88 - Step 6: Final answer
x = 641,101.03
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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.