Finding the Fourth Proportional to 857,548.20, 1,183,489.26 and 475,698
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Solution
The fourth proportional to 857,548.20, 1,183,489.26 and 475,698 is: 656,503.59
Step by Step Solution
- Step 1: Write the proportion equation
857,548.20 : 1,183,489.26 = 475,698 : x - Step 2: Convert to fraction form
857,548.20/1,183,489.26 = 475,698/x - Step 3: Cross multiply
857,548.20x = 1,183,489.26 × 475,698 - Step 4: Simplify right side
857,548.20x = 562,983,474,003.48 - Step 5: Solve for x
x = 562,983,474,003.48/857,548.20 - Step 6: Final answer
x = 656,503.59
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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.