Finding the Fourth Proportional to 843,383.60, 1,163,882.49 and 461,416.76
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Solution
The fourth proportional to 843,383.60, 1,163,882.49 and 461,416.76 is: 636,762.31
Step by Step Solution
- Step 1: Write the proportion equation
843,383.60 : 1,163,882.49 = 461,416.76 : x - Step 2: Convert to fraction form
843,383.60/1,163,882.49 = 461,416.76/x - Step 3: Cross multiply
843,383.60x = 1,163,882.49 × 461,416.76 - Step 4: Simplify right side
843,383.60x = 537,034,887,556.53 - Step 5: Solve for x
x = 537,034,887,556.53/843,383.60 - Step 6: Final answer
x = 636,762.31
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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.