Finding the Fourth Proportional to 879,734.36, 1,214,029.14 and 477,326.36
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Solution
The fourth proportional to 879,734.36, 1,214,029.14 and 477,326.36 is: 658,708.06
Step by Step Solution
- Step 1: Write the proportion equation
879,734.36 : 1,214,029.14 = 477,326.36 : x - Step 2: Convert to fraction form
879,734.36/1,214,029.14 = 477,326.36/x - Step 3: Cross multiply
879,734.36x = 1,214,029.14 × 477,326.36 - Step 4: Simplify right side
879,734.36x = 579,488,110,330.13 - Step 5: Solve for x
x = 579,488,110,330.13/879,734.36 - Step 6: Final answer
x = 658,708.06
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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.