Finding the Fourth Proportional to 946,324.08, 1,305,812.34 and 538,477.74
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Solution
The fourth proportional to 946,324.08, 1,305,812.34 and 538,477.74 is: 743,033.91
Step by Step Solution
- Step 1: Write the proportion equation
946,324.08 : 1,305,812.34 = 538,477.74 : x - Step 2: Convert to fraction form
946,324.08/1,305,812.34 = 538,477.74/x - Step 3: Cross multiply
946,324.08x = 1,305,812.34 × 538,477.74 - Step 4: Simplify right side
946,324.08x = 703,150,877,707.31 - Step 5: Solve for x
x = 703,150,877,707.31/946,324.08 - Step 6: Final answer
x = 743,033.91
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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.