Finding the Fourth Proportional to 792,954.68, 1,094,278.47 and 430,378.43
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Solution
The fourth proportional to 792,954.68, 1,094,278.47 and 430,378.43 is: 593,922.78
Step by Step Solution
- Step 1: Write the proportion equation
792,954.68 : 1,094,278.47 = 430,378.43 : x - Step 2: Convert to fraction form
792,954.68/1,094,278.47 = 430,378.43/x - Step 3: Cross multiply
792,954.68x = 1,094,278.47 × 430,378.43 - Step 4: Simplify right side
792,954.68x = 470,953,849,901.40 - Step 5: Solve for x
x = 470,953,849,901.40/792,954.68 - Step 6: Final answer
x = 593,922.78
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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.