Finding the Fourth Proportional to 792,949.91, 1,094,243.09 and 430,366.51
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Solution
The fourth proportional to 792,949.91, 1,094,243.09 and 430,366.51 is: 593,890.70
Step by Step Solution
- Step 1: Write the proportion equation
792,949.91 : 1,094,243.09 = 430,366.51 : x - Step 2: Convert to fraction form
792,949.91/1,094,243.09 = 430,366.51/x - Step 3: Cross multiply
792,949.91x = 1,094,243.09 × 430,366.51 - Step 4: Simplify right side
792,949.91x = 470,925,578,075.23 - Step 5: Solve for x
x = 470,925,578,075.23/792,949.91 - Step 6: Final answer
x = 593,890.70
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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.