Finding the Fourth Proportional to 726,686.37, 1,090,202.09 and 246,946.05
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Solution
The fourth proportional to 726,686.37, 1,090,202.09 and 246,946.05 is: 370,477.70
Step by Step Solution
- Step 1: Write the proportion equation
726,686.37 : 1,090,202.09 = 246,946.05 : x - Step 2: Convert to fraction form
726,686.37/1,090,202.09 = 246,946.05/x - Step 3: Cross multiply
726,686.37x = 1,090,202.09 × 246,946.05 - Step 4: Simplify right side
726,686.37x = 269,221,098,592.51 - Step 5: Solve for x
x = 269,221,098,592.51/726,686.37 - Step 6: Final answer
x = 370,477.70
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1.5x scale
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.