Finding the Fourth Proportional to 879,750.75, 1,214,062.52 and 477,342.75
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Solution
The fourth proportional to 879,750.75, 1,214,062.52 and 477,342.75 is: 658,736.51
Step by Step Solution
- Step 1: Write the proportion equation
879,750.75 : 1,214,062.52 = 477,342.75 : x - Step 2: Convert to fraction form
879,750.75/1,214,062.52 = 477,342.75/x - Step 3: Cross multiply
879,750.75x = 1,214,062.52 × 477,342.75 - Step 4: Simplify right side
879,750.75x = 579,523,939,582.02 - Step 5: Solve for x
x = 579,523,939,582.02/879,750.75 - Step 6: Final answer
x = 658,736.51
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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.