Finding the Fourth Proportional to 705,698.16, 1,057,717.80 and 546,445.68
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Solution
The fourth proportional to 705,698.16, 1,057,717.80 and 546,445.68 is: 819,026.26
Step by Step Solution
- Step 1: Write the proportion equation
705,698.16 : 1,057,717.80 = 546,445.68 : x - Step 2: Convert to fraction form
705,698.16/1,057,717.80 = 546,445.68/x - Step 3: Cross multiply
705,698.16x = 1,057,717.80 × 546,445.68 - Step 4: Simplify right side
705,698.16x = 577,985,322,469.10 - Step 5: Solve for x
x = 577,985,322,469.10/705,698.16 - Step 6: Final answer
x = 819,026.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.