Finding the Fourth Proportional to 792,991.74, 1,094,299.26 and 430,407.78
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Solution
The fourth proportional to 792,991.74, 1,094,299.26 and 430,407.78 is: 593,946.81
Step by Step Solution
- Step 1: Write the proportion equation
792,991.74 : 1,094,299.26 = 430,407.78 : x - Step 2: Convert to fraction form
792,991.74/1,094,299.26 = 430,407.78/x - Step 3: Cross multiply
792,991.74x = 1,094,299.26 × 430,407.78 - Step 4: Simplify right side
792,991.74x = 470,994,915,152.24 - Step 5: Solve for x
x = 470,994,915,152.24/792,991.74 - Step 6: Final answer
x = 593,946.81
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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.