Finding the Fourth Proportional to 722,754.24, 1,085,124.42 and 368,006.64
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Solution
The fourth proportional to 722,754.24, 1,085,124.42 and 368,006.64 is: 552,515.60
Step by Step Solution
- Step 1: Write the proportion equation
722,754.24 : 1,085,124.42 = 368,006.64 : x - Step 2: Convert to fraction form
722,754.24/1,085,124.42 = 368,006.64/x - Step 3: Cross multiply
722,754.24x = 1,085,124.42 × 368,006.64 - Step 4: Simplify right side
722,754.24x = 399,332,991,786.15 - Step 5: Solve for x
x = 399,332,991,786.15/722,754.24 - Step 6: Final answer
x = 552,515.60
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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.