Finding the Fourth Proportional to 843,156.51, 1,163,668.58 and 475,709.08
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Solution
The fourth proportional to 843,156.51, 1,163,668.58 and 475,709.08 is: 656,542.05
Step by Step Solution
- Step 1: Write the proportion equation
843,156.51 : 1,163,668.58 = 475,709.08 : x - Step 2: Convert to fraction form
843,156.51/1,163,668.58 = 475,709.08/x - Step 3: Cross multiply
843,156.51x = 1,163,668.58 × 475,709.08 - Step 4: Simplify right side
843,156.51x = 553,567,705,021.96 - Step 5: Solve for x
x = 553,567,705,021.96/843,156.51 - Step 6: Final answer
x = 656,542.05
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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.