Finding the Fourth Proportional to 857,761.36, 1,183,711.84 and 475,788.12
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Solution
The fourth proportional to 857,761.36, 1,183,711.84 and 475,788.12 is: 656,588.25
Step by Step Solution
- Step 1: Write the proportion equation
857,761.36 : 1,183,711.84 = 475,788.12 : x - Step 2: Convert to fraction form
857,761.36/1,183,711.84 = 475,788.12/x - Step 3: Cross multiply
857,761.36x = 1,183,711.84 × 475,788.12 - Step 4: Simplify right side
857,761.36x = 563,196,030,975.34 - Step 5: Solve for x
x = 563,196,030,975.34/857,761.36 - Step 6: Final answer
x = 656,588.25
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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.