Finding the Fourth Proportional to 685,963.36, 1,029,095.40 and 230,538.28
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Solution
The fourth proportional to 685,963.36, 1,029,095.40 and 230,538.28 is: 345,857.95
Step by Step Solution
- Step 1: Write the proportion equation
685,963.36 : 1,029,095.40 = 230,538.28 : x - Step 2: Convert to fraction form
685,963.36/1,029,095.40 = 230,538.28/x - Step 3: Cross multiply
685,963.36x = 1,029,095.40 × 230,538.28 - Step 4: Simplify right side
685,963.36x = 237,245,883,471.91 - Step 5: Solve for x
x = 237,245,883,471.91/685,963.36 - Step 6: Final answer
x = 345,857.95
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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.