Finding the Fourth Proportional to 538,420.40, 806,658.60 and 313,596.80
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Solution
The fourth proportional to 538,420.40, 806,658.60 and 313,596.80 is: 469,829.07
Step by Step Solution
- Step 1: Write the proportion equation
538,420.40 : 806,658.60 = 313,596.80 : x - Step 2: Convert to fraction form
538,420.40/806,658.60 = 313,596.80/x - Step 3: Cross multiply
538,420.40x = 806,658.60 × 313,596.80 - Step 4: Simplify right side
538,420.40x = 252,965,555,652.48 - Step 5: Solve for x
x = 252,965,555,652.48/538,420.40 - Step 6: Final answer
x = 469,829.07
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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.