Finding the Fourth Proportional to 792,853.30, 1,094,138.31 and 430,277.23
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Solution
The fourth proportional to 792,853.30, 1,094,138.31 and 430,277.23 is: 593,782.99
Step by Step Solution
- Step 1: Write the proportion equation
792,853.30 : 1,094,138.31 = 430,277.23 : x - Step 2: Convert to fraction form
792,853.30/1,094,138.31 = 430,277.23/x - Step 3: Cross multiply
792,853.30x = 1,094,138.31 × 430,277.23 - Step 4: Simplify right side
792,853.30x = 470,782,801,263.68 - Step 5: Solve for x
x = 470,782,801,263.68/792,853.30 - Step 6: Final answer
x = 593,782.99
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1.5x scale
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.