Finding the Fourth Proportional to 803,865.09, 1,109,293.09 and 477,192.07
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Solution
The fourth proportional to 803,865.09, 1,109,293.09 and 477,192.07 is: 658,500.87
Step by Step Solution
- Step 1: Write the proportion equation
803,865.09 : 1,109,293.09 = 477,192.07 : x - Step 2: Convert to fraction form
803,865.09/1,109,293.09 = 477,192.07/x - Step 3: Cross multiply
803,865.09x = 1,109,293.09 × 477,192.07 - Step 4: Simplify right side
803,865.09x = 529,345,866,047.43 - Step 5: Solve for x
x = 529,345,866,047.43/803,865.09 - Step 6: Final answer
x = 658,500.87
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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.